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312 Area Code Phone Numbers

Business, Easy Setup & Affordable

Establish a strong presence in Illinois City with a prestigious 312 Area Code phone number. Get started today with our easy setup and affordable plans, perfect for businesses of all sizes

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How the 312 Area Code Affects Local and Global Communication

The 312 area code boosts local credibility and trust, making businesses more recognizable and accessible. Internationally, it carries prestige, attracting global clients and partners. This area code enhances professional interactions and leverages advanced communication technologies, providing a strategic advantage in marketing and branding.

Benefits

Using the 312 Area Code for Your Business

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The 312 area code carries prestige and credibility, suggesting a prime location in a major business hub. It can enhance a company's image and perception among clients and partners. Additionally, a 312 number may give an impression of longevity and stability, as new numbers in this area code are increasingly rare.

Enhanced Credibility

Enhanced Credibility

 The 312 area code is instantly recognizable as belonging to New York City, lending your business an air of prestige and trustworthiness.

Increased Local Trust

Increased Local Trust

Customers are more
likely to engage with a business that has a familiar local area code, fostering a sense of reliability and community connection.
Competitive Edge

Competitive Edge

A 312 number can give your business a competitive advantage in the bustling market, differentiating you from competitors with less prestigious area codes.

Global Recognition

Global Recognition

International clients often associate the 312 area code with the economic power of Illinois, enhancing your business’s global appeal and reputation.

Details About
The 312 Area Code

States:

Illinois

Time Zone:

Central (GMT -06:00)

Cities Serving:

Chicago, Deerfield, Northbrook, Glenview, Wheeling, Prospect Heights, Buffalo Grove, Roselle, Medinah, Schaumburg, Brookfield, Western Springs, La Grange Park, Cicero, Hinsdale, Clarendon Hills.

ZIP CODE SERVED BY
312 Area Code

Steps to Acquire a 312 Area Code Number for Your Business

Service Provider

Service Provider

Research and select a reputable telecom provider that offers 312 area code numbers, comparing features and pricing.

Check Availability

Check Availability

Contact your chosen provider to verify the availability of 312 numbers, as they are limited and in high demand.

Sign Up for a Plan

Sign Up for a Plan:

Select a suitable phone plan that includes a 312 area code number, ensuring it meets your business needs for call volume and features.

Complete Registration

Complete Registration

Provide the necessary business information and documentation required by the service provider to register for your 312 number.

Set Up Your Number

Set Up Your Number

Work with your provider to configure your new 312 area code number, including call routing, voicemail, and other essential features.

Communication Systems

Communication Systems

Ensure your 312 number is integrated with your communication systems, for seamless operation.

Common Misconceptions About the 312 Area Code

Limited Availability

Many believe 312 numbers are impossible to get, but they are still available through various telecom providers.

High Cost

While 312 numbers are premium, they are often more affordable than expected with the right provider.

Only for Large Businesses

Small businesses can also acquire 312 numbers, boosting their local credibility and brand prestige.

Difficult Setup

Getting a 312 number is straightforward, with most providers offering easy setup and integration.

Old Technology

312 numbers can be used with modern VoIP and SIP technologies, ensuring high-quality communication.

AREA CODES

Building Trust and Credibility with a 312 Area Code

A 312 area code helps build trust and credibility by conveying professionalism, stability, and local expertise. It projects a confident image, setting you apart from competitors and establishing a strong foundation for long-term success. This can lead to increased customer loyalty and a significant boost to your business reputation always matters.

Contact Us for More Information on the 312 Area Code

For more information on acquiring a 312 number for your business, please contact us. Our team is ready to assist you with the process and answer any questions you may have. Reach out via phone or fill out our online form, and we’ll get back to you promptly. Let us help you enhance your business communication and credibility.

Contact Us for More Information

Active Phone Number Prefixes( NXX)
for 312 area code

NPANXXCITYUSAGECOMPANY NAMENXX INTRODUCED DATE
312201ChicagoLandlineAmeritech Illinois11/11/2003
312202ChicagoLandlineAmeritech Illinois4/1/1997
312203ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312204ChicagoLandlineAmeritech Illinois10/11/1997
312205ChicagoLandlineAllegiance Telecom, Inc. - Il8/20/2000
312206ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312207ChicagoLandlineAmeritech Illinois10/11/1997
312208ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312209GlenviewWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312209NorthbrookWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312209DeerfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312212ChicagoLandlineAmeritech Illinois10/31/2000
312213ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312214ChicagoLandlineAmeritech Illinois11/11/2003
312215Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312215WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312215Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312216ChicagoLandlineFirst Communications Llc - Il2/13/2012
312217ChicagoWirelessSprint Spectrum L.p.11/11/2003
312218ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312219ChicagoWirelessBandwidth.com Clec, Llc - Il4/10/2012
312220ChicagoLandlineAmeritech Illinois2/4/1994
312221ChicagoWirelessSprint Spectrum L.p.6/17/2011
312222ChicagoLandlineAmeritech Illinois2/4/1994
312223ChicagoLandlineAmeritech Illinois10/11/1997
312224ChicagoLandlineBroadwing Communications, Llc - Il10/13/1999
312225ChicagoLandlineAmeritech Illinois10/11/1997
312226ChicagoLandlineAmeritech Illinois10/11/1997
312227ChicagoLandlineAmeritech Illinois9/15/2010
312228ChicagoLandlineAmeritech Illinois10/11/1997
312229ChicagoLandlineAmeritech Illinois6/13/2000
312230ChicagoLandlineAmeritech Illinois10/11/1997
312231RoselleWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312231MedinahWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312231SchaumburgWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312232ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312233ChicagoLandlineAmeritech Illinois10/13/1999
312234ChicagoLandlineAmeritech Illinois1/25/1998
312235ChicagoLandlineAmeritech Illinois1/14/2000
312236ChicagoLandlineAmeritech Illinois11/11/2003
312237ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il10/31/2000
312238ChicagoLandlineBroadwing Communications, Llc - Il10/13/1999
312239ChicagoLandlineAt&t Local1/25/1998
312240ChicagoLandlineAmeritech Illinois10/11/1997
312241ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il8/17/2011
312242ChicagoLandlineTeleport Communications America, Llc - Il8/20/2000
312243ChicagoLandlineAmeritech Illinois10/11/1997
312244ChicagoLandlineAmeritech Illinois10/31/2000
312245ChicagoLandlineAmeritech Illinois10/11/1997
312246Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312246WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312246Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312247ChicagoLandlineFirst Communications Llc - Il4/6/2004
312248ChicagoWirelessMetro Pcs, Inc.7/1/2014
312249ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312250ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312251ChicagoLandlineAmeritech Illinois10/11/1997
312252ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312253ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312254ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312255ChicagoLandlineAmeritech Illinois10/11/1997
312256ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312257ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il8/18/2011
312258ChicagoLandlineAmeritech Illinois10/11/1997
312259ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312260ChicagoLandlineMcimetro Access Transmission Services Llc4/1/1997
312261ChicagoLandlineBroadwing Communications, Llc - Il5/10/1999
312262ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312263ChicagoLandlineAmeritech Illinois2/4/1994
312264ChicagoLandlineBroadwing Communications, Llc - Il7/22/1999
312265ChicagoLandlineAccess One, Inc. - Il11/29/2005
312266ChicagoLandlineAmeritech Illinois2/4/1994
312267ChicagoLandlineAmeritech Illinois6/13/2000
312268ChicagoLandlineBroadwing Communications, Llc - Il3/3/2001
312269ChicagoLandlineAmeritech Illinois2/4/1994
312270ChicagoWirelessMetro Pcs, Inc.1/16/2017
312271ChicagoWirelessUsa Mobility Wireless, Inc.1/25/1998
312272ChicagoWirelessUsa Mobility Wireless, Inc.7/1/1996
312273ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il9/13/2011
312274ChicagoLandlineAmeritech Illinois1/25/1998
312275ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312276ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312277ChicagoLandlineAllegiance Telecom, Inc. - Il1/25/1998
312278ChicagoLandlineBroadwing Communications, Llc - Il10/31/2000
312279ChicagoLandlineMcimetro Access Transmission Services Llc1/25/1998
312280ChicagoLandlineAmeritech Illinois10/11/1997
312281ChicagoLandlineGlobal Crossing Local Services, Inc.-il10/13/1999
312282ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il10/31/2000
312283ChicagoLandlineGlobal Crossing Local Services, Inc.-il10/13/1999
312284ChicagoLandlineXo Illinois, Inc.6/30/2001
312285ChicagoWirelessSprint Spectrum L.p.6/30/2001
312286ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il6/13/2000
312287ChicagoWirelessSprint Spectrum L.p.10/31/2000
312288ChicagoLandlineMcimetro Access Transmission Services Llc1/25/1998
312289ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312290ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312291ChicagoLandlineAmeritech Illinois6/13/2000
312292ChicagoWirelessBandwidth.com Clec, Llc - Il9/2/2011
312293ChicagoLandlineAmeritech Illinois2/4/1994
312294ChicagoLandlineAmeritech Illinois10/11/1997
312295La Grange ParkWirelessUsa Mobility Wireless, Inc.2/11/1995
312295BrookfieldWirelessUsa Mobility Wireless, Inc.2/11/1995
312295Western SpringsWirelessUsa Mobility Wireless, Inc.2/11/1995
312296ChicagoWirelessSprint Spectrum L.p.1/14/2000
312297ChicagoLandlineAmeritech Illinois2/11/1995
312298ChicagoLandlineSigecom, Llc Dba Wow Internet Cable And Phone7/22/1999
312298CiceroLandlineSigecom, Llc Dba Wow Internet Cable And Phone7/22/1999
312299ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312300ChicagoLandlineNet Talk.com, Inc. - Il4/25/2011
312301HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312301Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312301Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312302ChicagoLandlineAmeritech Illinois2/4/1994
312303Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312303WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312303Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312304HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312304Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312304Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312305NorthbrookWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312306ChicagoLandlineAmeritech Illinois2/4/1994
312307ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312308ChicagoLandlineAmeritech Illinois10/11/1997
312309ChicagoLandlineAmeritech Illinois11/11/2003
312310GlenviewWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312310NorthbrookWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312310DeerfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312313ChicagoLandlineBroadvox-clec, Llc - Il11/10/2014
312314HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il9/11/1994
312314Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il9/11/1994
312314Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il9/11/1994
312315ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312316ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312317Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312317WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312317Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312318La Grange ParkWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312318BrookfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312318Western SpringsWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312319ChicagoLandlineMcimetro Access Transmission Services Llc4/28/2017
312320ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312321ChicagoLandlineAmeritech Illinois10/11/1997
312322ChicagoLandlineAmeritech Illinois10/11/1997
312323ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312324ChicagoLandlineLevel 3 Communications, Llc - Il5/3/2001
312325ChicagoLandlineAmeritech Illinois6/24/2003
312326ChicagoLandlineAmeritech Illinois2/4/1994
312327ChicagoLandlineXo Illinois, Inc.8/20/2000
312328ChicagoLandlineAmeritech Illinois10/11/1997
312329ChicagoLandlineAmeritech Illinois2/4/1994
312330ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312331Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312331WheelingWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312331Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312332ChicagoLandlineAmeritech Illinois2/4/1994
312333ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312334ChicagoLandlineFirst Communications Llc - Il10/31/2000
312335ChicagoLandlineAmeritech Illinois2/4/1994
312336ChicagoLandlineAmeritech Illinois11/11/2003
312337ChicagoLandlineAmeritech Illinois2/4/1994
312338ChicagoLandlineAmeritech Illinois4/1/1997
312339ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312340ChicagoWirelessT-mobile Usa, Inc.9/21/2011
312341ChicagoLandlineAmeritech Illinois10/11/1997
312342ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il6/30/2001
312343ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312344ChicagoLandlineAmeritech Illinois7/6/1997
312345ChicagoLandlineAmeritech Illinois11/11/2003
312346ChicagoLandlineAmeritech Illinois11/11/2003
312347ChicagoLandlineAmeritech Illinois2/4/1994
312348ChicagoLandlineNeutral Tandem-illinois, Llc - Il11/14/2003
312349ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312350ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312351ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312352HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il7/4/1995
312352Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il7/4/1995
312352Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il7/4/1995
312353ChicagoLandlineAmeritech Illinois2/4/1994
312354RoselleWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312354MedinahWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312354SchaumburgWirelessNew Cingular Wireless Pcs, Llc - Il1/10/1996
312355ChicagoLandlineAmeritech Illinois7/4/1995
312356ChicagoLandlineAmeritech Illinois1/14/2000
312357ChicagoLandlineAmeritech Illinois10/11/1997
312358ChicagoWirelessT-mobile Usa, Inc.7/21/2015
312359ChicagoWirelessUsa Mobility Wireless, Inc.7/4/1995
312360ChicagoLandlineAmeritech Illinois2/4/1994
312361ChicagoLandlineAmeritech Illinois10/31/2000
312362ChicagoLandlineAmeritech Illinois10/11/1997
312363ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il5/10/1999
312364ChicagoLandlineAmeritech Illinois9/11/1994
312365ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312366ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il2/3/2016
312367La Grange ParkWirelessUsa Mobility Wireless, Inc.11/11/2003
312367BrookfieldWirelessUsa Mobility Wireless, Inc.11/11/2003
312367Western SpringsWirelessUsa Mobility Wireless, Inc.11/11/2003
312368ChicagoLandlineAmeritech Illinois2/4/1994
312369ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312370ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312371ChicagoWirelessSprint Spectrum L.p.1/25/1998
312372ChicagoLandlineAmeritech Illinois11/11/2003
312373ChicagoLandlineBroadwing Communications, Llc - Il5/10/1999
312374ChicagoLandlineAmeritech Illinois10/13/1999
312375ChicagoWirelessT-mobile Usa, Inc.6/30/2001
312376ChicagoLandlineCbeyond Communications, Llc - Il6/11/2004
312377ChicagoLandlineXo Illinois, Inc.1/25/1998
312378ChicagoWirelessUsa Mobility Wireless, Inc.1/25/1998
312379ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312380ChicagoLandlineAmeritech Illinois8/20/2000
312381ChicagoLandlineAmeritech Illinois5/10/1999
312382ChicagoLandlineAmeritech Illinois2/4/1994
312383ChicagoLandlineTeleport Communications America, Llc - Il2/1/2016
312384ChicagoLandlineAmeritech Illinois10/13/1999
312385ChicagoLandlineAmeritech Illinois1/25/1998
312386ChicagoLandlineAmeritech Illinois8/20/2000
312387ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312388ChicagoWirelessSprint Spectrum L.p.1/25/1998
312389ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312390ChicagoWirelessAmerican Messaging Services, Llc4/16/2001
312391ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312393ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312394ChicagoLandlineAmeritech Illinois2/4/1994
312395ChicagoLandlineAt&t Local1/25/1998
312396ChicagoLandlineAmeritech Illinois2/4/1994
312397ChicagoLandlineAmeritech Illinois10/11/1997
312398ChicagoWirelessUsa Mobility Wireless, Inc.1/10/1996
312399ChicagoWirelessSprint Spectrum L.p.7/22/1999
312400ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312401ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312402ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312403La Grange ParkWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312403BrookfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312403Western SpringsWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312404ChicagoWirelessT-mobile Usa, Inc.10/14/2002
312405ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312406Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312406WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312406Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312407ChicagoLandlineAmeritech Illinois2/4/1994
312408ChicagoLandlineAmeritech Illinois10/11/1997
312409ChicagoLandlineAmeritech Illinois9/11/1994
312410ChicagoLandlineAmeritech Illinois2/4/1994
312412Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312412WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312412Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312413ChicagoLandlineAmeritech Illinois2/4/1994
312414ChicagoLandlineVonage Network Inc.8/12/2016
312415ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312416ChicagoLandlineMci Worldcom Communications, Inc. - Il1/10/1996
312417ChicagoWirelessAmeritech Illinois2/4/1994
312418ChicagoWirelessUsa Mobility Wireless, Inc.9/11/1994
312419ChicagoLandlineAmeritech Illinois11/11/2003
312420ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il6/30/2001
312421ChicagoLandlineAmeritech Illinois2/4/1994
312422ChicagoLandlineAmeritech Illinois11/11/2003
312423ChicagoLandlineBroadwing Communications, Llc - Il11/11/2003
312424ChicagoLandlineAmeritech Illinois9/11/1994
312425ChicagoLandlineAmeritech Illinois7/1/1996
312426ChicagoWirelessUsa Mobility Wireless, Inc.1/10/1996
312427ChicagoLandlineAmeritech Illinois2/4/1994
312428ChicagoWirelessLevel 3 Communications, Llc - Il11/11/2003
312429ChicagoLandlineGlobal Crossing Local Services, Inc.-il10/13/1999
312430ChicagoLandlineAmeritech Illinois5/2/2004
312431ChicagoLandlineAmeritech Illinois10/11/1997
312432ChicagoLandlineAmeritech Illinois2/11/1995
312433ChicagoLandlineAmeritech Illinois2/4/1994
312434ChicagoWirelessSprint Spectrum L.p.7/8/2011
312435ChicagoLandlineAmeritech Illinois2/4/1994
312436ChicagoLandlineAmeritech Illinois1/14/2000
312437ChicagoWirelessSprint Spectrum L.p.7/22/1999
312438ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il6/2/2017
312439ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/28/2016
312440ChicagoLandlineAmeritech Illinois2/4/1994
312441ChicagoLandlineAmeritech Illinois2/4/1994
312442ChicagoLandlineAmeritech Illinois1/25/1998
312443ChicagoLandlineAmeritech Illinois11/11/2003
312444ChicagoLandlineAmeritech Illinois2/4/1994
312445ChicagoLandlineAmeritech Illinois6/13/2000
312446ChicagoWirelessSprint Spectrum L.p.8/14/1998
312447ChicagoLandlineAmeritech Illinois6/13/2000
312448ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il8/2/2011
312449ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312450ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312451ChicagoLandlineT-mobile Usa, Inc.1/25/1998
312452ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312453ChicagoLandlineMci Worldcom Communications, Inc. - Il1/10/1996
312454ChicagoLandlineAmeritech Illinois2/4/1994
312455ChicagoLandlineAmeritech Illinois2/4/1994
312456ChicagoLandlineAmeritech Illinois2/4/1994
312457ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312458ChicagoLandlineAmeritech Illinois2/4/1994
312459ChicagoWirelessT-mobile Usa, Inc.8/2/2011
312460ChicagoLandlineAmeritech Illinois11/11/2003
312461ChicagoLandlineAmeritech Illinois2/4/1994
312462ChicagoLandlineAmeritech Illinois10/11/1997
312463ChicagoLandlineAmeritech Illinois1/25/1998
312464ChicagoLandlineAmeritech Illinois2/4/1994
312465ChicagoLandlineUs Xchange Of Illinois Llc Dba Choice One Comm Il3/26/2009
312466ChicagoLandlineAmeritech Illinois2/4/1994
312467ChicagoLandlineAmeritech Illinois2/4/1994
312468ChicagoWirelessT-mobile Usa, Inc.6/26/2015
312469ChicagoLandlineAmeritech Illinois10/31/2000
312470ChicagoLandlineMcimetro Access Transmission Services Llc1/10/1996
312471ChicagoLandlineMcimetro Access Transmission Services Llc6/26/2015
312472ChicagoLandlineAmeritech Illinois10/27/2005
312473ChicagoLandlineYmax Communications Corp. - Il11/15/2006
312474ChicagoLandlineAmeritech Illinois2/4/1994
312475ChicagoLandlineAmeritech Illinois1/25/1998
312476ChicagoLandlineSprint Spectrum L.p.8/20/2000
312477ChicagoWirelessLevel 3 Communications, Llc - Il10/20/2010
312478ChicagoLandlineT-mobile Usa, Inc.3/20/2014
312479ChicagoLandlineAt&t Local1/25/1998
312480ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312481ChicagoWirelessMetro Pcs, Inc.7/7/2017
312482ChicagoLandlineAmeritech Illinois2/4/1994
312483ChicagoWirelessT-mobile Usa, Inc.8/22/2014
312484ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312485ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312486ChicagoLandlineMci Worldcom Communications, Inc. - Il4/23/2004
312487ChicagoWirelessMetro Pcs, Inc.10/27/2014
312488ChicagoLandlinePg Telecom Of Illinois Inc. - Il1/18/2006
312489ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il8/20/2000
312490ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312491ChicagoLandlineAmeritech Illinois7/4/1995
312492ChicagoLandlineAmeritech Illinois7/6/1997
312493ChicagoWirelessT-mobile Usa, Inc.6/30/2001
312494ChicagoLandlineAmeritech Illinois2/4/1994
312495ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312496ChicagoLandlineAmeritech Illinois7/1/1996
312497ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312498ChicagoWirelessSprint Spectrum L.p.7/22/1999
312499ChicagoLandlineAmeritech Illinois2/4/1994
312501La Grange ParkWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312501BrookfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312501Western SpringsWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312502ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312503ChicagoLandlineBroadwing Communications, Llc - Il2/4/1994
312504ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312505ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312506ChicagoLandlineFirst Communications, Llc5/24/2004
312507ChicagoLandlineAmeritech Illinois2/4/1994
312508ChicagoLandlinePeerless Network Of Illinois, Llc - Il3/19/2012
312509ChicagoLandlinePeerless Network Of Illinois, Llc - Il3/6/2012
312510HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312510Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312510Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312512ChicagoWirelessUsa Mobility Wireless, Inc.5/1/2002
312513ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312514ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312515ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312516ChicagoLandlineAmeritech Illinois2/11/1995
312517ChicagoLandlineMcimetro Access Transmission Services Llc2/9/2015
312518Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312518WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312518Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312519ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312520ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312521ChicagoLandlineAt&t Local1/25/1998
312522ChicagoWirelessT-mobile Usa, Inc.8/22/2014
312523ChicagoWirelessSprint Spectrum L.p.6/30/2001
312524Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312524WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312524Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312525ChicagoLandlineMcimetro Access Transmission Services Llc3/20/2002
312526ChicagoLandlineAmeritech Illinois7/4/1995
312527ChicagoLandlineAmeritech Illinois2/4/1994
312528ChicagoLandlineAmeritech Illinois1/25/1998
312529ChicagoLandlineAt&t Local10/11/1997
312530ChicagoWirelessUsa Mobility Wireless, Inc.4/15/1996
312531HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312531Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312531Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312532ChicagoWirelessT-mobile Usa, Inc.11/11/2003
312533ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il10/13/1999
312534ChicagoLandlineAmeritech Illinois9/17/2008
312535NAUnknownBandwidth.com Clec, Llc - Il7/20/2017
312536ChicagoWirelessT-mobile Usa, Inc.6/26/2015
312537ChicagoLandlineAmeritech Illinois4/15/1996
312538ChicagoWirelessMetro Pcs, Inc.7/21/2017
312539ChicagoWirelessT-mobile Usa, Inc.1/11/2016
312540ChicagoLandlineAmeritech Illinois2/4/1994
312541ChicagoLandlineAmeritech Illinois11/11/2003
312542ChicagoLandlineAmeritech Illinois1/25/1998
312543ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il4/1/1997
312544ChicagoLandlineAmeritech Illinois6/13/2000
312545ChicagoWirelessSprint Spectrum L.p.3/3/2001
312546ChicagoLandlineLevel 3 Communications, Llc - Il1/25/1998
312547ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312548ChicagoLandlineBroadwing Communications, Llc - Il9/5/2007
312549ChicagoLandlineTeleport Communications America, Llc - Il9/25/2015
312550ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312551ChicagoLandlineAmeritech Illinois2/4/1994
312552ChicagoLandlineAmeritech Illinois2/4/1994
312553ChicagoLandlineAmeritech Illinois2/4/1994
312554ChicagoLandlineAmeritech Illinois2/4/1994
312556ChicagoWirelessAmeritech Illinois11/11/2003
312557ChicagoLandlineAmeritech Illinois11/11/2003
312558ChicagoLandlineAmeritech Illinois2/4/1994
312559ChicagoLandlineAmeritech Illinois2/4/1994
312560ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312561ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il6/20/2012
312562ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312563ChicagoLandlineAmeritech Illinois2/4/1994
312564ChicagoLandlineFirst Communications, Llc11/13/2006
312565ChicagoLandlineAmeritech Illinois2/4/1994
312566ChicagoLandlineAmeritech Illinois1/10/1996
312567ChicagoLandlineAmeritech Illinois2/4/1994
312568ChicagoLandlineAmeritech Illinois6/13/2000
312569ChicagoLandlineAmeritech Illinois10/31/2000
312570ChicagoLandlineAmeritech Illinois2/4/1994
312571ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312572ChicagoLandlineAmeritech Illinois2/4/1994
312573ChicagoLandlineAmeritech Illinois2/4/1994
312574ChicagoLandlineAmeritech Illinois2/4/1994
312575ChicagoLandlineAmeritech Illinois2/4/1994
312576ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312577ChicagoLandlineMci Worldcom Communications, Inc. - Il1/11/1997
312578ChicagoLandlineAmeritech Illinois11/11/2003
312579ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il7/25/2017
312580ChicagoLandlineAmeritech Illinois2/4/1994
312581NAUnknownNew Cingular Wireless Pcs, Llc - Il7/31/2017
312582ChicagoLandlineAmeritech Illinois5/16/2002
312583ChicagoLandlineAmeritech Illinois1/25/1998
312585ChicagoLandlineMcimetro Access Transmission Services Llc4/16/2013
312586ChicagoLandlineBroadvox-clec, Llc - Il5/4/2016
312587ChicagoLandlineAmeritech Illinois2/4/1994
312588ChicagoLandlineAmeritech Illinois1/25/1998
312589ChicagoLandlineAmeritech Illinois3/3/2001
312590ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312591ChicagoLandlineAmeritech Illinois11/11/2003
312592ChicagoLandlineAmeritech Illinois2/4/1994
312593ChicagoWirelessT-mobile Usa, Inc.11/11/2003
312594ChicagoLandlineMcimetro Access Transmission Services Llc11/6/2008
312595ChicagoLandlineAmeritech Illinois9/11/1994
312596ChicagoLandlineTeleport Communications America, Llc - Il7/1/1996
312597ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il10/4/2016
312599ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/21/2016
312600ChicagoLandlineNeutral Tandem-illinois, Llc - Il5/1/2012
312601ChicagoLandlineMcimetro Access Transmission Services Llc4/1/1997
312602ChicagoLandlineBroadwing Communications, Llc - Il5/10/1999
312603ChicagoLandlineAmeritech Illinois9/11/1994
312604ChicagoLandlineXo Illinois, Inc.1/25/1998
312605ChicagoLandlineOvation Communications Of Illinois, Inc.8/6/2012
312606ChicagoLandlineAmeritech Illinois2/4/1994
312607ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312608ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312609ChicagoLandlineAmeritech Illinois2/4/1994
312610ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il8/6/2012
312612ChicagoLandlineAmeritech Illinois10/31/2000
312613ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312614ChicagoLandlineAmeritech Illinois10/19/2012
312615Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312615WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312615Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312616ChicagoLandlineAmeritech Illinois2/4/1994
312617ChicagoWirelessSprint Spectrum L.p.11/11/2003
312618ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312619ChicagoWirelessT-mobile Usa, Inc.9/11/2012
312620ChicagoLandlineBandwidth.com Clec, Llc - Il8/15/2012
312621ChicagoLandlineAmeritech Illinois2/4/1994
312622ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il2/14/2001
312623ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312624ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il5/10/1999
312625ChicagoLandlineLevel 3 Communications, Llc - Il5/1/2002
312626ChicagoLandlineBroadvox-clec, Llc - Il2/4/2008
312627ChicagoLandlineAmeritech Illinois2/4/1994
312628ChicagoLandlineXo Illinois, Inc.6/30/2001
312629ChicagoLandlineAmeritech Illinois2/4/1994
312630ChicagoLandlineAmeritech Illinois2/4/1994
312631ChicagoLandlineCenturylink Communications Llc1/11/2013
312632ChicagoLandlineAmeritech Illinois7/22/1999
312633ChicagoLandlineAmeritech Illinois2/4/1994
312634ChicagoLandlineAmeritech Illinois2/4/1994
312635ChicagoLandlineGlobal Crossing Local Services, Inc.-il11/11/2003
312636ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312637ChicagoLandlineBroadwing Communications, Llc - Il5/10/1999
312638ChicagoLandlineBroadwing Communications, Llc - Il1/25/1998
312640ChicagoLandlineAmeritech Illinois2/4/1994
312641ChicagoLandlineAmeritech Illinois2/4/1994
312642ChicagoLandlineAmeritech Illinois2/4/1994
312643ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312644ChicagoLandlineAmeritech Illinois10/11/1997
312645ChicagoLandlineAmeritech Illinois10/11/1997
312646ChicagoLandlineBroadwing Communications, Llc - Il3/27/2007
312647ChicagoWirelessT-mobile Usa, Inc.5/24/2013
312648ChicagoLandlineAmeritech Illinois2/4/1994
312649ChicagoLandlineAmeritech Illinois2/4/1994
312650ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312651ChicagoLandlineAmeritech Illinois1/25/1998
312652ChicagoLandlineAmeritech Illinois11/11/2003
312653ChicagoLandlineAmeritech Illinois7/4/1995
312654ChicagoLandlineAmeritech Illinois2/4/1994
312655ChicagoLandlineAmeritech Illinois2/4/1994
312656ChicagoWirelessSprint Spectrum L.p.7/6/1997
312657ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312658ChicagoLandlineAmeritech Illinois11/11/2003
312659ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312660ChicagoLandlineTeleport Communications America, Llc - Il1/25/1998
312661ChicagoLandlineAmeritech Illinois2/4/1994
312662ChicagoLandlineAmeritech Illinois8/20/2000
312663ChicagoLandlineAmeritech Illinois2/4/1994
312664ChicagoLandlineAmeritech Illinois2/4/1994
312665ChicagoLandlineTeleport Communications America, Llc - Il1/25/1998
312666ChicagoLandlineAmeritech Illinois2/4/1994
312667ChicagoLandlinePeerless Network Of Illinois, Llc - Il8/31/2012
312669ChicagoLandlineAmeritech Illinois2/4/1994
312670ChicagoLandlineAmeritech Illinois2/4/1994
312671ChicagoWirelessSprint Spectrum L.p.11/11/2003
312672ChicagoLandlineAmeritech Illinois10/11/1997
312673ChicagoLandlineFirst Communications Llc - Il4/1/1997
312674ChicagoLandlineAmeritech Illinois10/11/1997
312675ChicagoLandlineAmeritech Illinois8/20/2000
312676ChicagoLandlineFirst Communications Llc - Il6/16/2006
312677ChicagoWirelessUsa Mobility Wireless, Inc.10/15/1996
312678ChicagoWirelessT-mobile Usa, Inc.7/25/2013
312679ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312680ChicagoWirelessUsa Mobility Wireless, Inc.1/10/1996
312681ChicagoLandlineAmeritech Illinois8/20/2000
312682ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312683ChicagoLandlineAmeritech Illinois11/11/2003
312684ChicagoWirelessT-mobile Usa, Inc.9/13/2016
312685ChicagoWirelessSprint Spectrum L.p.10/13/1999
312686ChicagoLandlineAirus, Inc. - Il12/13/2016
312687ChicagoWirelessT-mobile Usa, Inc.9/13/2016
312688ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312689ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312690ChicagoLandlineRclec, Inc. - Il5/6/2014
312691ChicagoWirelessIndiana Paging Ntwk4/1/1997
312692ChicagoLandlineAmeritech Illinois2/4/1994
312693ChicagoLandlineAmeritech Illinois1/25/1998
312694ChicagoLandlineAmeritech Illinois10/31/2000
312695ChicagoLandlineAmeritech Illinois5/10/1999
312696ChicagoLandlineAmeritech Illinois11/11/2003
312697ChicagoLandlineAmeritech Illinois11/11/2003
312698ChicagoLandlineBroadwing Communications, Llc - Il8/23/2001
312699HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312699Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312699Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312701ChicagoLandlineAmeritech Illinois2/4/1994
312702ChicagoLandlineMcimetro Access Transmission Services Llc12/31/2012
312703ChicagoWirelessAmeritech Illinois2/4/1994
312704ChicagoLandlineAmeritech Illinois2/4/1994
312705ChicagoLandlineTeleport Communications America, Llc - Il2/4/1994
312706ChicagoLandlineTeleport Communications America, Llc - Il2/11/1995
312707ChicagoLandlineAmeritech Illinois2/4/1994
312709ChicagoWirelessT-mobile Usa, Inc.5/24/2013
312710ChicagoLandlineAmeritech Illinois7/4/1995
312712ChicagoLandlineAmeritech Illinois2/4/1994
312713ChicagoWirelessAmerican Messaging Services, Llc4/16/2001
312714ChicagoLandlineAmeritech Illinois10/31/2000
312715ChicagoLandlineAmeritech Illinois2/4/1994
312716ChicagoWirelessAmeritech Illinois2/4/1994
312717La Grange ParkWirelessUsa Mobility Wireless, Inc.2/11/1995
312717BrookfieldWirelessUsa Mobility Wireless, Inc.2/11/1995
312717Western SpringsWirelessUsa Mobility Wireless, Inc.2/11/1995
312718ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312719ChicagoWirelessSprint Spectrum L.p.11/11/2003
312720ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312721ChicagoWirelessT-mobile Usa, Inc.10/22/2013
312722ChicagoLandlineUs Xchange Of Illinois Llc Dba Choice One Comm Il6/1/2015
312723ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/28/2016
312724ChicagoLandlineBandwidth.com Clec, Llc - Il2/7/2013
312725ChicagoLandlineBandwidth.com Clec, Llc - Il10/8/2008
312726ChicagoLandlineAmeritech Illinois2/4/1994
312727ChicagoLandlineAmeritech Illinois2/4/1994
312729ChicagoLandlineAmeritech Illinois7/6/1997
312730ChicagoLandlineAt&t Local1/25/1998
312731ChicagoLandlineT-mobile Usa, Inc.1/25/1998
312732ChicagoLandlineAmeritech Illinois2/4/1994
312733ChicagoLandlineAmeritech Illinois2/4/1994
312734ChicagoLandlineTeleport Communications America, Llc - Il9/17/2015
312735ChicagoWirelessSprint Spectrum L.p.7/6/2001
312737ChicagoLandlineAmeritech Illinois1/25/1998
312738ChicagoLandlineAmeritech Illinois2/4/1994
312739ChicagoLandlineAmeritech Illinois11/11/2003
312740ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312742ChicagoLandlineAmeritech Illinois2/11/1995
312743ChicagoLandlineAmeritech Illinois11/15/2001
312744ChicagoLandlineAmeritech Illinois2/4/1994
312745ChicagoLandlineAmeritech Illinois1/25/1998
312746ChicagoLandlineAmeritech Illinois2/4/1994
312747ChicagoLandlineAmeritech Illinois2/4/1994
312748ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312749HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312749Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312749Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312750ChicagoLandlineAmeritech Illinois2/4/1994
312751ChicagoLandlineAmeritech Illinois2/4/1994
312752ChicagoLandlineBroadwing Communications, Llc - Il4/19/2002
312753ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312754ChicagoLandlineLevel 3 Telecom Of Illinois, Llc - Il2/26/2013
312755ChicagoLandlineAmeritech Illinois2/4/1994
312756ChicagoLandlineAmeritech Illinois2/27/1999
312757ChicagoLandlineGetgo Communications Llc - Il3/28/2013
312758ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312759ChicagoLandlineAmeritech Illinois2/4/1994
312760ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312762ChicagoLandlineAmeritech Illinois1/14/2000
312763ChicagoLandlineComcast Phone Of Illinois, Llc Dba Comco - Il5/12/2014
312764ChicagoLandlineTeleport Communications America, Llc - Il10/20/2016
312765ChicagoLandlineAmeritech Illinois2/4/1994
312766ChicagoLandlinePeerless Network Of Illinois, Llc - Il10/17/2016
312767ChicagoLandlineBandwidth.com Clec, Llc - Il4/16/2015
312768ChicagoLandlineAt&t Local1/25/1998
312769ChicagoWirelessIndiana Paging Ntwk1/25/1998
312770ChicagoLandlineAmeritech Illinois2/4/1994
312771ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312772ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il8/18/2008
312774ChicagoWirelessT-mobile Usa, Inc.8/19/2013
312775ChicagoLandlineAmeritech Illinois10/13/1999
312777ChicagoLandlineTeleport Communications America, Llc - Il1/25/1998
312778ChicagoLandlineBroadvox-clec, Llc - Il5/8/2015
312780ChicagoLandlineMci Worldcom Communications, Inc. - Il1/11/1997
312781ChicagoLandlineAmeritech Illinois11/11/2003
312782ChicagoLandlineAmeritech Illinois2/4/1994
312783ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il8/8/2016
312784ChicagoLandlineFirst Communications Llc - Il7/12/2007
312785ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il8/19/2014
312786ChicagoLandlineAmeritech Illinois2/4/1994
312787ChicagoLandlineAmeritech Illinois2/4/1994
312788ChicagoLandlineAmeritech Illinois10/31/2000
312789ChicagoLandlineAmeritech Illinois2/4/1994
312790ChicagoWirelessAmeritech Illinois2/4/1994
312791ChicagoLandlineAmeritech Illinois2/4/1994
312792ChicagoLandlineMcimetro Access Transmission Services Llc11/20/2014
312793ChicagoLandlineAmeritech Illinois2/4/1994
312794ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312795ChicagoLandlineAmeritech Illinois7/6/1997
312796ChicagoLandlinePeerless Network Of Illinois, Llc - Il7/26/2016
312797ChicagoLandlineAmeritech Illinois2/4/1994
312798ChicagoLandlineAmeritech Illinois10/31/2000
312799ChicagoLandlineAmeritech Illinois6/13/2000
312800ChicagoLandlinePeerless Network Of Illinois, Llc - Il11/20/2012
312801ChicagoWireless365 Wireless, Llc4/29/2013
312802ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312803ChicagoLandlineMci Worldcom Communications, Inc. - Il9/11/1994
312804ChicagoWirelessT-mobile Usa, Inc.1/23/2002
312805ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312806ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312807ChicagoLandlineAmeritech Illinois2/4/1994
312808ChicagoLandlineAmeritech Illinois2/4/1994
312809ChicagoLandlineMcimetro Access Transmission Services Llc10/25/2013
312810ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312812ChicagoWirelessAmeritech Illinois2/4/1994
312813ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312814ChicagoLandlineAmeritech Illinois2/4/1994
312816HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312816Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312816Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312817ChicagoLandlineAmeritech Illinois2/11/1995
312818ChicagoWirelessT-mobile Usa, Inc.8/19/2013
312819ChicagoLandlineAmeritech Illinois2/4/1994
312820ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312821ChicagoLandlineMci Worldcom Communications, Inc. - Il1/25/1998
312822ChicagoLandlineAmeritech Illinois2/4/1994
312823ChicagoLandlineAmeritech Illinois9/11/1994
312824ChicagoLandlineMcimetro Access Transmission Services Llc6/20/2016
312825ChicagoWirelessT-mobile Usa, Inc.3/17/2016
312826ChicagoWirelessT-mobile Usa, Inc.6/17/2016
312827ChicagoLandlineAmeritech Illinois9/11/1994
312828ChicagoLandlineAmeritech Illinois2/4/1994
312829ChicagoLandlineAmeritech Illinois2/4/1994
312830ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312831ChicagoLandlineAmeritech Illinois2/4/1994
312832ChicagoLandlineAmeritech Illinois1/10/1996
312833ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312834ChicagoLandlineAmeritech Illinois10/31/2000
312835ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312836ChicagoLandlineAmeritech Illinois10/11/1997
312837ChicagoLandlineComcast Phone Of Illinois, Llc Dba Comco - Il9/3/2015
312838ChicagoWirelessT-mobile Usa, Inc.1/11/2016
312839ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312840ChicagoLandlineAmeritech Illinois2/4/1994
312841ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312842ChicagoLandlineAmeritech Illinois2/4/1994
312843ChicagoLandlineTeleport Communications America, Llc - Il3/12/2014
312844HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312844Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312844Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312845ChicagoLandlineAmeritech Illinois11/11/2003
312846ChicagoLandlineAmeritech Illinois1/25/1998
312848ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312849ChicagoLandlineAmeritech Illinois11/11/2003
312850ChicagoLandlineAmeritech Illinois2/4/1994
312851ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312852ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312853ChicagoLandlineAmeritech Illinois2/4/1994
312854ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312855ChicagoLandlineAmeritech Illinois2/4/1994
312856ChicagoLandlineAmeritech Illinois2/4/1994
312857ChicagoLandlineAmeritech Illinois2/4/1994
312858ChicagoLandlineRclec, Inc. - Il12/21/2015
312859ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312860ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312861ChicagoLandlineAmeritech Illinois2/4/1994
312862ChicagoLandlineAmeritech Illinois1/25/2006
312863ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312864ChicagoLandlineAmeritech Illinois10/31/2000
312865Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312865WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312865Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312866ChicagoWirelessT-mobile Usa, Inc.8/22/2014
312867ChicagoLandlineAmeritech Illinois1/10/1996
312868ChicagoLandlineBandwidth.com Clec, Llc - Il12/4/2015
312869ChicagoLandlineAmeritech Illinois10/31/2000
312870ChicagoLandlineFirst Communications Llc - Il7/6/1997
312871ChicagoLandlineMcimetro Access Transmission Services Llc8/28/2015
312873ChicagoLandlineMci Worldcom Communications, Inc. - Il1/25/1998
312874ChicagoWirelessT-mobile Usa, Inc.5/22/2015
312875ChicagoLandlineAmeritech Illinois2/4/1994
312876ChicagoLandlineAmeritech Illinois10/11/1997
312877ChicagoLandlineAt&t Corp.8/12/2014
312878ChicagoLandlinePeerless Network Of Illinois, Llc - Il2/4/2008
312879ChicagoLandlineAmeritech Illinois2/4/1994
312880ChicagoLandlineAmeritech Illinois3/3/2001
312881ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312882ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312883ChicagoLandlineBandwidth.com Clec, Llc - Il11/12/2014
312884ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312885ChicagoWirelessT-mobile Usa, Inc.9/22/2015
312886ChicagoLandlineAmeritech Illinois2/4/1994
312887ChicagoLandlineAmeritech Illinois7/22/1999
312888ChicagoLandlineNew Cingular Wireless Pcs, Llc - Il2/19/2009
312889ChicagoLandlineTeleport Communications America, Llc - Il6/25/2015
312890ChicagoWirelessSprint Spectrum L.p.3/3/2001
312891ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312892ChicagoLandlineBroadwing Communications, Llc - Il1/25/1998
312893ChicagoLandlineBroadwing Communications, Llc - Il1/25/1998
312894ChicagoLandlineMcimetro Access Transmission Services Llc1/25/1998
312895ChicagoLandlineBroadwing Communications, Llc - Il7/6/1997
312896ChicagoLandlineBroadwing Communications, Llc - Il11/20/1998
312897ChicagoLandlineMcimetro Access Transmission Services Llc3/23/2015
312898ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312899ChicagoLandlineAmeritech Illinois2/4/1994
312901ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312902ChicagoLandlineAmeritech Illinois2/4/1994
312903ChicagoWirelessAmerican Messaging Services, Llc4/13/2001
312904ChicagoLandlineAmeritech Illinois2/4/1994
312905ChicagoLandlineAmeritech Illinois11/11/2003
312906ChicagoLandlineAmeritech Illinois2/4/1994
312907ChicagoWirelessSprint Spectrum L.p.1/25/1998
312908ChicagoLandlineAmeritech Illinois2/4/1994
312909ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312910ChicagoWirelessUsa Mobility Wireless, Inc.11/11/2003
312912ChicagoLandlineAmeritech Illinois9/11/1994
312913ChicagoLandlineAmeritech Illinois10/11/1997
312914ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312915ChicagoLandlineAmeritech Illinois2/4/1994
312916ChicagoWirelessAmerican Messaging Services, Llc4/23/2001
312917ChicagoLandlineAmeritech Illinois2/4/1994
312918ChicagoWirelessT-mobile Usa, Inc.8/19/2013
312919ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312920ChicagoLandlineAmeritech Illinois11/11/2003
312921ChicagoLandlineAmeritech Illinois7/21/2008
312922ChicagoLandlineAmeritech Illinois2/4/1994
312923ChicagoLandlineAmeritech Illinois2/4/1994
312924ChicagoLandlinePaetec Communications, Inc. - Il3/3/2001
312925ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il1/25/1998
312926ChicagoLandlineAmeritech Illinois4/1/1997
312927ChicagoWirelessT-mobile Usa, Inc.8/21/2002
312928ChicagoLandlineAmeritech Illinois4/1/1997
312929ChicagoLandlineT-mobile Usa, Inc.4/27/2006
312930ChicagoLandlineAmeritech Illinois2/4/1994
312931ChicagoLandlineAmeritech Illinois2/4/1994
312932ChicagoLandlineAmeritech Illinois2/4/1994
312933ChicagoWirelessSprint Spectrum L.p.1/25/1998
312934ChicagoWirelessT-mobile Usa, Inc.12/8/2014
312935ChicagoLandlineAmeritech Illinois1/25/1998
312936ChicagoWirelessAmeritech Illinois2/4/1994
312937ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il9/25/2014
312938ChicagoLandlineAmeritech Illinois2/4/1994
312939ChicagoLandlineAmeritech Illinois2/4/1994
312940ChicagoLandlinePeerless Network Of Illinois, Llc - Il9/20/2013
312941ChicagoWirelessUsa Mobility Wireless, Inc.2/4/1994
312942ChicagoLandlineAmeritech Illinois2/4/1994
312943ChicagoLandlineAmeritech Illinois2/4/1994
312944ChicagoLandlineAmeritech Illinois2/4/1994
312945ChicagoLandlineAmeritech Illinois2/4/1994
312946ChicagoLandlineAmeritech Illinois2/4/1994
312947ChicagoLandlineAmeritech Illinois11/18/2010
312948ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312949ChicagoLandlineAmeritech Illinois2/4/1994
312951ChicagoLandlineAmeritech Illinois2/4/1994
312952ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il10/15/1996
312953ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il4/1/1997
312954ChicagoLandlineAmeritech Illinois2/4/1994
312955ChicagoLandlineRcn Telecom Services Of Illinois, Inc. - Il1/25/1998
312956ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il9/29/2014
312957ChicagoLandlineAmeritech Illinois9/11/1994
312960ChicagoLandlineAmeritech Illinois7/6/1997
312961ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il1/25/1998
312962ChicagoLandlineGlobal Crossing Local Services, Inc.-il1/25/1998
312963ChicagoWirelessUsa Mobility Wireless, Inc.2/11/1995
312964ChicagoWirelessBroadvox-clec, Llc - Il7/6/1997
312965ChicagoWirelessCellco Partnership Dba Verizon Wireless - Il11/11/2003
312966ChicagoWirelessMetro Pcs, Inc.11/18/2014
312967ChicagoLandlineBandwidth.com Clec, Llc - Il8/7/2014
312968La Grange ParkWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312968BrookfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312968Western SpringsWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312969La Grange ParkWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312969BrookfieldWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312969Western SpringsWirelessCellco Partnership Dba Verizon Wireless - Il2/11/1995
312970ChicagoLandlineAmeritech Illinois3/3/2001
312971ChicagoLandlineBandwidth.com Clec, Llc - Il5/1/2014
312972ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il11/11/2003
312973ChicagoLandlineMcimetro Access Transmission Services Llc2/19/2014
312974ChicagoLandlineAmeritech Illinois2/4/1994
312975ChicagoWirelessT-mobile Usa, Inc.9/15/2014
312977ChicagoLandlineAmeritech Illinois2/4/1994
312978ChicagoWirelessT-mobile Usa, Inc.10/22/2013
312979ChicagoWirelessAmeritech Illinois2/4/1994
312980ChicagoLandlineTeleport Communications America, Llc - Il4/1/1997
312981ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312982ChicagoLandlineComcast Phone Of Illinois, Llc Dba Comco - Il10/7/2014
312983ChicagoLandlineAmeritech Illinois2/4/1994
312984ChicagoLandlineAmeritech Illinois2/4/1994
312985ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312986ChicagoLandlineAmeritech Illinois2/4/1994
312987ChicagoLandlineAmeritech Illinois2/4/1994
312988ChicagoLandlineAmeritech Illinois2/4/1994
312989ChicagoWirelessNew Cingular Wireless Pcs, Llc - Il6/25/2015
312990HinsdaleWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312990Clarendon HillsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312990Western SpringsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312991Buffalo GroveWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312991WheelingWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312991Prospect HeightsWirelessNew Cingular Wireless Pcs, Llc - Il2/11/1995
312992ChicagoLandlineAmeritech Illinois1/25/1998
312993ChicagoLandlineAmeritech Illinois2/4/1994
312994ChicagoLandlineOvation Communications Of Illinois, Inc.4/10/2001
312995ChicagoLandlineTeleport Communications America, Llc - Il8/12/2014
312996ChicagoLandlineAmeritech Illinois2/4/1994
312997ChicagoLandlineAmeritech Illinois2/4/1994
312998ChicagoLandlineCenturylink Communications Llc8/12/2014
312999ChicagoLandlineXo Illinois, Inc.8/20/2010

Find Your Area Codes

State & area Codes

State

Area Code

Alabama

205

251

256

334

938

Alaska

907

Arizona

480

520

602

623

928

Arkansas

479

501

870

California

209

213

310

323

408

415

424

442

510

530

559

562

619

626

628

650

657

661

669

707

714

747

760

805

818

831

858

909

916

925

949

951

Colorado

303

719

720

970

Connecticut

203

475

860

959

Delaware

302

District of Columbia

202

Florida

239

305

321

352

386

407

561

727

754

772

786

813

850

863

904

954

Georgia

229

404

470

478

668

706

762

770

912

Hawaii

808

Idaho

208

Indiana

219

260

317

463

574

765

812

930

Illinois

217

224

309

312

331

618

630

708

773

779

815

847

872

Iowa

319

515

563

641

712

Kansas

316

620

785

913

Kentucky

270

364

502

606

859

Louisiana

225

318

337

504

985

Maine

207

Maryland

240

301

410

443

667

Massachusetts

339

351

413

508

617

774

781

857

978

Michigan

231

248

269

313

517

586

616

734

810

906

947

989

Minnesota

218

320

507

612

651

763

952

Mississippi

228

601

662

769

Missouri

314

417

636

660

816

Montana

406

Nebraska

308

402

531

Nevada

702

725

775

New Hampshire

603

New Jersey

201

551

609

732

848

856

862

908

973

New Mexico

505

575

New York

212

315

332

347

516

518

585

607

631

646

680

716

718

838

845

914

917

929

934

North Carolina

336

704

743

828

910

919

980

984

North Dakota

701

Ohio

216

220

234

330

380

419

440

513

567

614

740

937

Oklahoma

405

539

580

918

Oregon

458

503

541

971

Pennsylvania

215

223

267

272

412

484

570

610

717

724

814

878

Puerto Rico

787

939

Rhode Island

401

South Carolina

803

843

854

864

South Dakota

605

Tennessee

423

615

629

731

865

901

931

Texas

210

214

254

281

325

346

361

409

430

432

469

512

682

713

726

737

806

817

830

832

903

915

936

940

956

972

979

Utah

385

435

801

Vermont

802

Virginia

276

434

540

571

703

757

804

Washington

206

253

360

425

509

564

West Virginia

304

681

Wisconsin

262

414

534

608

715

920

Wyoming

307

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Frequently Asked Questions

A 312 area code boosts your business’s credibility by associating it with a recognized region. It projects stability and reliability, helping build trust with local and international clients, enhancing your professional image.

No, setting up a 312 number is simple. Most providers offer easy registration, configuration, and integration with your business’s communication systems, ensuring a smooth process.

Yes, though 312 numbers are in high demand, they are still available through telecom providers. Securing one quickly is advisable due to their limited availability.

Absolutely! A 312 area code boosts local credibility, making your small business appear more established and professional, which helps attract local customers.

No, 312 numbers are often affordable, especially with the right provider. Many offer competitive plans, and integrating VoIP technology can keep communication costs low.

A 312 number helps businesses outside Illinois connect with clients in the area, building local trust and easing customer outreach.

Ready to Elevate Your Business with a 312 Area Code?

Don’t miss the opportunity to enhance your business credibility and stand out in the competitive market. A prestigious 312 area code phone number can help you attract local and international clients, improve communication, and boost your brand image.

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Rozper Limited

8/F., CHINA HONG KONG TOWER, 8-12 HENNESSY ROAD, WAN CHAI, HONG KONG

+1 929-201-4104

[email protected]

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