What is VoIP and how does it differ from traditional phone systems?

VoIP (Voice over Internet Protocol) is a phone system that uses internet connections to make calls instead of traditional phone lines. It converts voice into digital data, offering more features and typically lower costs than conventional phone systems.

Do I need special equipment to use VoIP?

Not necessarily. You can use VoIP with your existing computers or smartphones, though some businesses choose to use dedicated VoIP phones. You'll mainly need a reliable internet connection and VoIP software or apps.

What happens to my VoIP service during a power outage?

VoIP services typically require both power and internet to work. Unlike traditional phones, they won't function during power outages unless you have backup power solutions like generators or UPS systems in place.

Is VoIP call quality as good as traditional phone lines?

VoIP call quality can be excellent, often matching or exceeding traditional phone quality when you have a strong internet connection. However, call quality depends on your internet speed and stability.

Can I keep my existing phone number when switching to VoIP?

Yes, most VoIP providers offer number porting, allowing you to transfer your existing phone number to the new VoIP system. This process usually takes a few days to complete.

Is VoIP secure for business communications?

VoIP can be very secure when properly configured. Look for providers that offer encryption, access controls, and security certifications. However, like any internet-based service, it requires good security practices and regular updates to maintain protection.

510 Area Code Phone Numbers

Business, Easy Setup & Affordable

Establish a strong presence in California City with a prestigious 510 Area Code phone number. Get started today with our easy setup and affordable plans, perfect for businesses of all sizes

Get started

How the 510 Area Code Affects Local and Global Communication

The 510 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 510 Area Code for Your Business

The 510 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 510 number may give an impression of longevity and stability, as new numbers in this area code are increasingly rare.

Enhanced Credibility

The 510 area code is instantly recognizable as belonging to New York City, lending your business an air of prestige and trustworthiness.

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

A 510 number can give your business a competitive advantage in the bustling market, differentiating you from competitors with less prestigious area codes.

Global Recognition

International clients often associate the 510 area code with the economic power of California, enhancing your business’s global appeal and reputation.

Details About
The 510 Area Code

ZIP CODE SERVED BY
510 Area Code

Steps to Acquire a 510 Area Code Number for Your Business

Service Provider

Research and select a reputable telecom provider that offers 510 area code numbers, comparing features and pricing.

Check Availability

Contact your chosen provider to verify the availability of 510 numbers, as they are limited and in high demand.

Sign Up for a Plan:

Select a suitable phone plan that includes a 510 area code number, ensuring it meets your business needs for call volume and features.

Complete Registration

Provide the necessary business information and documentation required by the service provider to register for your 510 number.

Set Up Your Number

Work with your provider to configure your new 510 area code number, including call routing, voicemail, and other essential features.

Communication Systems

Ensure your 510 number is integrated with your communication systems, for seamless operation.

Common Misconceptions About the 510 Area Code

Limited Availability

Many believe 510 numbers are impossible to get, but they are still available through various telecom providers.

High Cost

While 510 numbers are premium, they are often more affordable than expected with the right provider.

Only for Large Businesses

Small businesses can also acquire 510 numbers, boosting their local credibility and brand prestige.

Difficult Setup

Getting a 510 number is straightforward, with most providers offering easy setup and integration.

Old Technology

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

Building Trust and Credibility with a 510 Area Code

A 510 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 510 Area Code

For more information on acquiring a 510 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.

Active Phone Number Prefixes( NXX)
for 510 area code

NPA	NXX	CITY	USAGE	COMPANY NAME	NXX INTRODUCED DATE
510	200	Hayward	Wireless	Metro Pcs, Inc.	11/12/2008
510	200	Castro Valley	Wireless	Metro Pcs, Inc.	11/12/2008
510	201	Oakland	Landline	Peerless Network Of California, Llc - Ca	2/14/2009
510	202	Oakland	Wireless	American Messaging Services, Llc	2/11/1995
510	203	Newark	Wireless	T-mobile Usa, Inc.	9/22/2015
510	203	Fremont	Wireless	T-mobile Usa, Inc.	9/22/2015
510	204	Berkeley	Landline	Pacific Bell	2/4/1994
510	205	San Francisco	Wireless	Sprint Spectrum L.p.	2/27/1999
510	206	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/4/1995
510	207	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/4/1995
510	208	Oakland	Landline	Pacific Bell	2/4/1994
510	209	Hayward	Wireless	Sprint Spectrum L.p.	6/30/2001
510	209	Castro Valley	Wireless	Sprint Spectrum L.p.	6/30/2001
510	210	San Francisco	Landline	Bandwidth.com Clec, Llc - Ca	1/4/2013
510	212	Fremont	Wireless	Usa Mobility Wireless, Inc.	7/6/1997
510	213	Oakland	Wireless	T-mobile Usa, Inc.	9/19/2002
510	214	San Francisco	Landline	Mci Worldcom Communications, Inc., Ca	4/15/1996
510	215	Richmond	Landline	Pacific Bell	2/4/1994
510	216	Newark	Wireless	Usa Mobility Wireless, Inc.	10/13/1999
510	216	Fremont	Wireless	Usa Mobility Wireless, Inc.	10/13/1999
510	217	San Francisco	Landline	Teleport Communications Group - San Francisco	4/15/1996
510	218	Fremont	Wireless	Usa Mobility Wireless, Inc.	7/4/1995
510	219	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/4/1995
510	220	Oakland	Wireless	New Cingular Wireless Pcs, Llc	2/4/1994
510	221	Oakland	Wireless	Sprint Spectrum L.p.	2/8/2007
510	222	El Sobrante	Landline	Pacific Bell	2/4/1994
510	223	El Sobrante	Landline	Pacific Bell	2/4/1994
510	224	Rodeo	Wireless	Sprint Spectrum L.p.	10/18/2001
510	224	Hercules	Wireless	Sprint Spectrum L.p.	10/18/2001
510	224	Pinole	Wireless	Sprint Spectrum L.p.	10/18/2001
510	225	San Francisco	Landline	Allegiance Telecom, Inc. - Ca	7/22/1999
510	226	Fremont	Landline	Pacific Bell	2/4/1994
510	227	Oakland	Landline	Level 3 Telecom Of California, Lp - Ca	7/22/1999
510	228	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	7/22/1999
510	229	Oakland	Landline	Pacific Bell	7/22/1999
510	230	Richmond	Wireless	T-mobile Usa, Inc.	2/15/2007
510	231	Richmond	Landline	Pacific Bell	2/4/1994
510	232	Richmond	Landline	Pacific Bell	2/4/1994
510	233	Richmond	Landline	Pacific Bell	2/4/1994
510	234	Richmond	Landline	Pacific Bell	2/4/1994
510	235	Richmond	Landline	Pacific Bell	2/4/1994
510	236	Richmond	Landline	Pacific Bell	2/4/1994
510	237	Richmond	Landline	Pacific Bell	2/4/1994
510	238	Oakland	Landline	Pacific Bell	2/4/1994
510	239	Oakland	Landline	Mpower Communications Corp - Ca	4/15/1996
510	240	Union City	Landline	Level 3 Telecom Of California, Lp - Ca	5/10/1999
510	240	Fremont	Landline	Level 3 Telecom Of California, Lp - Ca	5/10/1999
510	241	El Sobrante	Wireless	T-mobile Usa, Inc.	9/22/2015
510	242	Richmond	Landline	Pacific Bell	2/4/1994
510	243	El Sobrante	Landline	Pacific Bell	2/4/1994
510	244	Hayward	Landline	Bandwidth.com Clec, Llc - Ca	7/25/2011
510	244	Castro Valley	Landline	Bandwidth.com Clec, Llc - Ca	7/25/2011
510	245	Hercules	Landline	Pacific Bell	2/4/1994
510	246	Hayward	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	8/9/2011
510	246	Castro Valley	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	8/9/2011
510	247	Hayward	Landline	Pacific Bell	2/4/1994
510	247	Castro Valley	Landline	Pacific Bell	2/4/1994
510	248	Newark	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/31/2000
510	248	Fremont	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/31/2000
510	249	Fremont	Landline	Pacific Bell	2/4/1994
510	250	Oakland	Landline	Broadwing Communications, Llc - Ca	11/20/1998
510	251	Oakland	Landline	Pacific Bell	2/4/1994
510	252	Fremont	Landline	Pacific Bell	2/4/1994
510	253	Richmond	Landline	Level 3 Telecom Of California, Lp - Ca	10/13/1999
510	254	San Francisco	Landline	Level 3 Communications, Llc - Ca	9/15/2011
510	255	Richmond	Landline	Bandwidth.com Clec, Llc - Ca	4/28/2011
510	256	Walnut Creek	Landline	O1 Communications, Inc. - Ca	6/30/2001
510	257	Fremont	Landline	Teleport Communications Group - San Francisco	1/14/2000
510	258	Hayward	Landline	Pacific Bell	8/20/2000
510	258	Castro Valley	Landline	Pacific Bell	8/20/2000
510	259	Hayward	Landline	Pacific Bell	10/15/1996
510	260	Oakland	Landline	Comcast Phone Of California, Llc - Ca	5/18/1998
510	261	Oakland	Landline	Pacific Bell	2/4/1994
510	262	El Sobrante	Landline	Pacific Bell	2/4/1994
510	263	Alameda	Landline	Pacific Bell	2/4/1994
510	264	Hayward	Landline	Pacific Bell	2/4/1994
510	265	Hayward	Landline	Pacific Bell	2/4/1994
510	266	Hayward	Landline	Pacific Bell	4/15/1996
510	267	Oakland	Landline	Pacific Bell	1/10/1996
510	268	Oakland	Landline	Pacific Bell	2/4/1994
510	269	San Francisco	Landline	Mci Worldcom Communications, Inc., Ca	2/4/1994
510	270	Sunnyvale	Landline	Brooks Fiber Communications Of California - Ca	4/1/1997
510	271	Oakland	Landline	Pacific Bell	2/4/1994
510	272	Oakland	Landline	Pacific Bell	2/4/1994
510	273	Oakland	Landline	Pacific Bell	2/4/1994
510	274	Hayward	Landline	Utility Telecom Group, Llc - Ca	10/13/1999
510	274	Castro Valley	Landline	Utility Telecom Group, Llc - Ca	10/13/1999
510	275	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/31/2000
510	276	Hayward	Landline	Pacific Bell	2/4/1994
510	276	Castro Valley	Landline	Pacific Bell	2/4/1994
510	277	Oakland	Landline	Global Crossing Local Services, Inc.-ca	6/13/2000
510	278	Hayward	Landline	Pacific Bell	2/4/1994
510	278	Castro Valley	Landline	Pacific Bell	2/4/1994
510	279	Fremont	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	1/14/2000
510	280	Berkeley	Landline	Xo California, Inc.	7/22/1999
510	281	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/15/1996
510	282	Oakland	Wireless	T-mobile Usa, Inc.	12/26/2001
510	283	El Sobrante	Landline	Allegiance Telecom, Inc. - Ca	6/30/2001
510	284	Fremont	Landline	Pacific Bell	6/30/2001
510	285	San Francisco	Landline	Mci Worldcom Communications, Inc., Ca	4/15/1996
510	286	Oakland	Landline	Pacific Bell	2/4/1994
510	287	Oakland	Landline	Pacific Bell	2/4/1994
510	288	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	7/1/1996
510	289	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/4/1995
510	290	San Francisco	Wireless	Sprint Spectrum L.p.	8/14/1998
510	291	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/15/1996
510	292	Albany	Landline	Pacific Bell	3/3/2001
510	292	Berkeley	Landline	Pacific Bell	3/3/2001
510	293	Hayward	Landline	Pacific Bell	2/4/1994
510	294	Hayward	Wireless	Sprint Spectrum L.p.	11/4/2011
510	294	Castro Valley	Wireless	Sprint Spectrum L.p.	11/4/2011
510	295	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	6/13/2000
510	296	Rodeo	Landline	Level 3 Communications, Llc - Ca	6/30/2001
510	296	Hercules	Landline	Level 3 Communications, Llc - Ca	6/30/2001
510	296	Pinole	Landline	Level 3 Communications, Llc - Ca	6/30/2001
510	297	San Leandro	Landline	Pacific Bell	2/4/1994
510	298	Newark	Wireless	New Cingular Wireless Pcs, Llc	12/7/2012
510	298	Fremont	Wireless	New Cingular Wireless Pcs, Llc	12/7/2012
510	299	Newark	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	6/30/2001
510	299	Fremont	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	6/30/2001
510	300	Hayward	Landline	U.s. Telepacific Corp. - Ca	8/20/2000
510	300	Castro Valley	Landline	U.s. Telepacific Corp. - Ca	8/20/2000
510	301	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	7/4/1995
510	302	Oakland	Landline	Pacific Bell	2/4/1994
510	303	Hayward	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	303	Castro Valley	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	304	Newark	Wireless	New Cingular Wireless Pcs, Llc	4/1/1997
510	304	Fremont	Wireless	New Cingular Wireless Pcs, Llc	4/1/1997
510	305	Hayward	Wireless	New Cingular Wireless Pcs, Llc	4/15/1996
510	305	Castro Valley	Wireless	New Cingular Wireless Pcs, Llc	4/15/1996
510	306	San Francisco	Wireless	Sprint Spectrum L.p.	6/30/2001
510	307	Richmond	Landline	Pacific Bell	2/4/1994
510	308	Oakland	Wireless	Usa Mobility Wireless, Inc.	2/4/1994
510	309	El Sobrante	Wireless	T-mobile Usa, Inc.	10/24/2014
510	310	Oakland	Wireless	Usa Mobility Wireless, Inc.	2/4/1994
510	312	Hayward	Wireless	American Messaging Services, Llc	1/14/2000
510	312	Castro Valley	Wireless	American Messaging Services, Llc	1/14/2000
510	313	Rodeo	Landline	Teleport Communications Group - San Francisco	6/30/2001
510	313	Hercules	Landline	Teleport Communications Group - San Francisco	6/30/2001
510	313	Pinole	Landline	Teleport Communications Group - San Francisco	6/30/2001
510	314	Hayward	Wireless	Sprint Spectrum L.p.	7/2/2007
510	314	Castro Valley	Wireless	Sprint Spectrum L.p.	7/2/2007
510	315	Hayward	Landline	Broadwing Communications, Llc - Ca	5/10/1999
510	315	Castro Valley	Landline	Broadwing Communications, Llc - Ca	5/10/1999
510	316	Oakland	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	317	Hayward	Landline	Pacific Bell	2/4/1994
510	317	Castro Valley	Landline	Pacific Bell	2/4/1994
510	318	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	11/20/1998
510	319	Fremont	Landline	Onvoy, Llc - Ca	12/1/2015
510	320	Newark	Wireless	New Cingular Wireless Pcs, Llc	9/12/2013
510	320	Fremont	Wireless	New Cingular Wireless Pcs, Llc	9/12/2013
510	321	Oakland	Wireless	Usa Mobility Wireless, Inc.	2/4/1994
510	322	Rodeo	Landline	Mcimetro Access Transmission Services Llc	10/15/1996
510	322	Hercules	Landline	Mcimetro Access Transmission Services Llc	10/15/1996
510	322	Pinole	Landline	Mcimetro Access Transmission Services Llc	10/15/1996
510	323	Richmond	Landline	Xo California, Inc.	10/13/1999
510	324	Union City	Landline	Pacific Bell	1/14/2000
510	325	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/6/1997
510	326	Oakland	Wireless	New Cingular Wireless Pcs, Llc	7/6/1997
510	327	Rodeo	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	3/3/2001
510	327	Hercules	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	3/3/2001
510	327	Pinole	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	3/3/2001
510	328	Oakland	Wireless	Sprint Spectrum L.p.	1/31/2013
510	329	Hayward	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	329	Castro Valley	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	330	Hayward	Landline	Neutral Tandem-california, Llc - Ca	12/28/2015
510	330	Castro Valley	Landline	Neutral Tandem-california, Llc - Ca	12/28/2015
510	331	Hayward	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	331	Castro Valley	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	332	Oakland	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	333	Oakland	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	334	Richmond	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	335	Newark	Landline	Cf Communications, Llc Dba Telekenex - Ca	1/27/2012
510	335	Fremont	Landline	Cf Communications, Llc Dba Telekenex - Ca	1/27/2012
510	336	Oakland	Landline	Pacific Bell	7/1/1996
510	337	Alameda	Landline	Pacific Bell	9/11/1994
510	338	Oakland	Landline	Pacific Bell	7/1/1996
510	339	Oakland	Landline	Pacific Bell	2/4/1994
510	340	Hayward	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	5/4/2012
510	340	Castro Valley	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	5/4/2012
510	342	Hayward	Landline	Mpower Communications Corp - Ca	10/11/1997
510	342	Castro Valley	Landline	Mpower Communications Corp - Ca	10/11/1997
510	343	Oakland	Landline	Mpower Communications Corp - Ca	10/11/1997
510	344	Fremont	Landline	Global Crossing Local Services, Inc.-ca	1/14/2000
510	345	Berkeley	Wireless	T-mobile Usa, Inc.	1/15/2016
510	346	San Leandro	Landline	Pacific Bell	1/25/1998
510	347	San Leandro	Landline	Pacific Bell	4/15/1996
510	348	Oakland	Wireless	33 Wireless Inc.	7/6/1997
510	349	Richmond	Wireless	American Messaging Services, Llc	1/25/1998
510	350	Oakland	Landline	Teleport Communications Group - San Francisco	1/25/1998
510	351	San Leandro	Landline	Pacific Bell	2/4/1994
510	352	San Leandro	Landline	Pacific Bell	2/4/1994
510	353	Fremont	Landline	Pacific Bell	9/11/1994
510	354	Fremont	Landline	Pacific Bell	2/11/1995
510	355	Oakland	Landline	Global Crossing Local Services, Inc.-ca	1/14/2000
510	356	Berkeley	Landline	Pacific Bell	11/28/2007
510	357	San Leandro	Landline	Pacific Bell	2/4/1994
510	358	Newark	Wireless	New Cingular Wireless Pcs, Llc	7/8/2011
510	358	Fremont	Wireless	New Cingular Wireless Pcs, Llc	7/8/2011
510	359	Hayward	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	8/17/2012
510	359	Castro Valley	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	8/17/2012
510	360	Fremont	Landline	Pacific Bell	1/25/1998
510	361	Hayward	Landline	Level 3 Telecom Of California, Lp - Ca	10/27/2014
510	361	Castro Valley	Landline	Level 3 Telecom Of California, Lp - Ca	10/27/2014
510	362	Hayward	Wireless	T-mobile Usa, Inc.	5/16/2013
510	362	Castro Valley	Wireless	T-mobile Usa, Inc.	5/16/2013
510	363	Hayward	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	1/14/2008
510	363	Castro Valley	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	1/14/2008
510	364	Newark	Wireless	New Cingular Wireless Pcs, Llc	11/28/2001
510	364	Fremont	Wireless	New Cingular Wireless Pcs, Llc	11/28/2001
510	365	Berkeley	Wireless	T-mobile Usa, Inc.	9/26/2013
510	366	Newark	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	366	Fremont	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	367	Richmond	Wireless	New Cingular Wireless Pcs, Llc	1/25/1998
510	368	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	1/11/1997
510	369	San Francisco	Landline	Neutral Tandem-california, Llc - Ca	2/4/2016
510	370	Hayward	Landline	Peerless Network Of California, Llc - Ca	4/13/2012
510	370	Castro Valley	Landline	Peerless Network Of California, Llc - Ca	4/13/2012
510	371	Newark	Wireless	Level 3 Communications, Llc - Ca	8/7/2008
510	371	Fremont	Wireless	Level 3 Communications, Llc - Ca	8/7/2008
510	372	Hayward	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/13/1999
510	372	Castro Valley	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/13/1999
510	373	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/13/1999
510	374	Richmond	Landline	Pacific Bell	2/4/1994
510	375	San Francisco	Wireless	T-mobile Usa, Inc.	12/26/2001
510	376	Newark	Wireless	Sprint Spectrum L.p.	1/14/2000
510	376	Fremont	Wireless	Sprint Spectrum L.p.	1/14/2000
510	377	Newark	Wireless	Sprint Spectrum L.p.	8/20/2000
510	377	Fremont	Wireless	Sprint Spectrum L.p.	8/20/2000
510	378	Newark	Wireless	New Cingular Wireless Pcs, Llc	6/13/2000
510	378	Fremont	Wireless	New Cingular Wireless Pcs, Llc	6/13/2000
510	379	Oakland	Landline	Level 3 Telecom Of California, Lp - Ca	5/18/1998
510	380	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	2/4/1994
510	381	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/4/1994
510	382	Oakland	Landline	Pacific Bell	2/4/1994
510	383	Oakland	Landline	Pacific Bell	1/11/1997
510	384	Oakland	Wireless	New Cingular Wireless Pcs, Llc	10/11/1997
510	385	Oakland	Wireless	Sprint Spectrum L.p.	2/4/1994
510	386	Newark	Wireless	New Cingular Wireless Pcs, Llc	10/11/1997
510	386	Fremont	Wireless	New Cingular Wireless Pcs, Llc	10/11/1997
510	387	Oakland	Wireless	New Cingular Wireless Pcs, Llc	10/11/1997
510	388	Oakland	Wireless	New Cingular Wireless Pcs, Llc	5/18/1998
510	389	Oakland	Wireless	American Messaging Services, Llc	1/10/1996
510	390	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	5/18/1998
510	391	Oakland	Wireless	American Messaging Services, Llc	1/10/1996
510	392	Oakland	Wireless	American Messaging Services, Llc	4/1/1997
510	393	San Francisco	Wireless	Sprint Spectrum L.p.	5/10/1999
510	394	Oakland	Landline	Teleport Communications Group - San Francisco	5/18/1998
510	395	Oakland	Landline	Teleport Communications Group - San Francisco	5/18/1998
510	396	Newark	Wireless	T-mobile Usa, Inc.	12/26/2001
510	396	Fremont	Wireless	T-mobile Usa, Inc.	12/26/2001
510	397	Hayward	Landline	Comcast Phone Of California, Llc - Ca	8/28/2008
510	398	Hayward	Landline	Bandwidth.com Clec, Llc - Ca	8/17/2012
510	398	Castro Valley	Landline	Bandwidth.com Clec, Llc - Ca	8/17/2012
510	399	Newark	Landline	Neutral Tandem-california, Llc - Ca	5/6/2016
510	399	Fremont	Landline	Neutral Tandem-california, Llc - Ca	5/6/2016
510	400	Fremont	Landline	Xo California, Inc.	2/27/1999
510	401	Union City	Landline	Mpower Communications Corp - Ca	10/11/1997
510	401	Fremont	Landline	Mpower Communications Corp - Ca	10/11/1997
510	402	Newark	Landline	Mpower Communications Corp - Ca	10/11/1997
510	402	Fremont	Landline	Mpower Communications Corp - Ca	10/11/1997
510	403	Fremont	Landline	Mpower Networks Services Inc. - Ca	10/11/1997
510	404	Union City	Landline	Mci Worldcom Communications, Inc., Ca	4/15/1996
510	404	Fremont	Landline	Mci Worldcom Communications, Inc., Ca	4/15/1996
510	405	Newark	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	7/6/1997
510	405	Fremont	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	7/6/1997
510	406	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/11/1995
510	407	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	7/6/1997
510	408	El Sobrante	Landline	Pacific Bell	11/25/2009
510	409	Oakland	Wireless	New Cingular Wireless Pcs, Llc	2/4/1994
510	410	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/4/1994
510	412	Richmond	Landline	Pacific Bell	2/4/1994
510	413	Fremont	Landline	Pacific Bell	7/6/1997
510	414	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/4/1994
510	415	Hayward	Wireless	T-mobile Usa, Inc.	9/19/2001
510	415	Castro Valley	Wireless	T-mobile Usa, Inc.	9/19/2001
510	416	Berkeley	Landline	North County Communications Corp. - Ca	6/13/2000
510	417	El Sobrante	Wireless	T-mobile Usa, Inc.	9/19/2002
510	418	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/4/1994
510	419	Oakland	Landline	Pacific Bell	2/4/1994
510	420	Oakland	Landline	Pacific Bell	2/4/1994
510	420	Emeryville	Landline	Pacific Bell	2/4/1994
510	421	Oakland	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	2/4/1994
510	422	Oakland	Wireless	T-mobile Usa, Inc.	9/25/2015
510	423	Oakland	Landline	Paetec Communications, Inc. - Ca	11/7/2008
510	424	Oakland	Wireless	T-mobile Usa, Inc.	7/29/2016
510	425	Oakland	Landline	Pacific Bell	2/4/1994
510	426	Richmond	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	3/27/2014
510	427	Hayward	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	3/3/2001
510	427	Castro Valley	Wireless	Cellco Partnership Dba Verizon Wireless - Ca	3/3/2001
510	428	Oakland	Landline	Pacific Bell	2/4/1994
510	428	Emeryville	Landline	Pacific Bell	2/4/1994
510	429	Union City	Landline	Pacific Bell	2/4/1994
510	430	Oakland	Landline	Pacific Bell	2/4/1994
510	431	Union City	Landline	Global Crossing Local Services, Inc.-ca	10/13/1999
510	431	Fremont	Landline	Global Crossing Local Services, Inc.-ca	10/13/1999
510	432	Hayward	Wireless	New Cingular Wireless Pcs, Llc	11/28/2001
510	432	Castro Valley	Wireless	New Cingular Wireless Pcs, Llc	11/28/2001
510	433	Oakland	Landline	Pacific Bell	1/10/1996
510	434	Oakland	Landline	Pacific Bell	4/15/1996
510	435	San Francisco	Wireless	Sprint Spectrum L.p.	1/25/1998
510	436	Oakland	Landline	Pacific Bell	2/4/1994
510	437	Oakland	Landline	Pacific Bell	2/4/1994
510	438	Fremont	Landline	Pacific Bell	2/4/1994
510	439	Oakland	Landline	Matrix Telecom, Llc. Sii Tnci - Ca	10/31/2000
510	440	Fremont	Landline	Pacific Bell	2/4/1994
510	441	Union City	Landline	Pacific Bell	2/4/1994
510	442	Oakland	Wireless	American Messaging Services, Llc	2/4/1994
510	443	Newark	Landline	Peerless Network Of California, Llc - Ca	2/14/2009
510	443	Fremont	Landline	Peerless Network Of California, Llc - Ca	2/14/2009
510	444	Oakland	Landline	Pacific Bell	2/4/1994
510	445	Fremont	Landline	Pacific Bell	10/15/1996
510	446	Oakland	Landline	Pacific Bell	2/4/1994
510

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