Hand-curated reading paths for the roles that work at the edge of voice — engineers, CX leads, RevOps, and the people keeping carriers honest.
Research, engineering deep-dives, and operator playbooks from the team routing 2.4M+ daily calls across 150+ countries.
Operator guides, area-code playbooks, and the voice-infra deep dives our team ships every week.
The 704 area code covers Charlotte and its surrounding counties in North Carolina. Learn its history, the 980 overlay, time zone, and how to get a number for your business.
Discover the 707 area code — Northern California's code since 1959. Learn its Pacific Time Zone, seven-county coverage, dialing rules, and business benefits.
The 708 area code covers Chicago's south and west suburbs in Cook County. Explore its 1989 split from 312, 464 overlay, time zone, scam alerts & business number tips.
The 713 area code covers downtown Houston as the region's original telephone code. Explore its 1947 origin, overlay history, time zone, scam alerts & business number tips.
The 714 area code covers Anaheim, Santa Ana & northern Orange County. Explore its 1951 origin, 657 overlay, time zone, scam alerts & how to get a local business number.
The 716 area code covers Buffalo, Niagara Falls & western New York. Explore its 1947 origin, 624 overlay, time zone, scam alerts & how to get a local business number.
The 717 area code covers Harrisburg, Lancaster & York in south-central Pennsylvania. Explore its 1947 origin, 223 overlay, time zone, scam alerts & business number tips.
The 718 area code covers Brooklyn, Queens, the Bronx & Staten Island. Explore its 1984 split from 212, overlay history, time zone, scam alerts & business number tips.
The 719 area code covers Colorado Springs, Pueblo & southeastern Colorado. Explore its 1988 split from 303, time zone, scam alerts & how to get a local business number.
The 720 area code covers Denver and the Front Range in Colorado. Learn its history, the 303 and 983 overlays, time zone, and how to get a number for your business.
The 724 area code covers western and southwestern Pennsylvania around Pittsburgh. Learn its history, the 412 and 878 overlays, and how to get a number for your business.
The 727 area code covers St. Petersburg, Clearwater & Pinellas County. Explore its 1998 split from 813, time zone, scam alerts & how to get a local business number.
The 732 area code covers Monmouth, Middlesex & the Jersey Shore. Explore its 1997 split from 908, 848 overlay, time zone, scam alerts & business number tips.
The 762 area code covers northern and west-central Georgia outside metro Atlanta. Learn its history, the 706 overlay, and how to get a number for your business.
The 774 area code covers central and southeastern Massachusetts, including Worcester and Cape Cod. Learn its history, the 508 overlay, and how to get a number.
The 786 area code covers Miami-Dade County and the Florida Keys. Learn its 1998 history, the cities it reaches, and how to get a 786 number for your business.
The 800 area code was the first toll-free prefix ever created in the North American Numbering Plan (NANP). When a caller dials an 800 number, the business that owns the line pays for the call, not the person calling.
The 816 area code covers Kansas City and northwestern Missouri. Learn its 1947 history, the 975 overlay, and how to get an 816 number for your business.
The 862 area code covers seven counties in northern New Jersey. Learn its 2001 overlay history, the cities it reaches, and how to get an 862 number.
The 872 area code overlays Chicago's 312 and 773 codes. Learn its 2009 history, the neighborhoods it reaches, and how to get an 872 number for your business.
The 877 area code is a toll-free prefix in the North American Numbering Plan (NANP). It lets customers call a business for free, since the business pays for the call instead of the caller.
The 904 area code covers Jacksonville and northeast Florida. Learn its 1965 history, the 324 overlay, and how to get a 904 number for your business.
The 912 area code covers Savannah and coastal Georgia. See its history since 1954, the cities it reaches, and how to get a 912 number for your business.
Expanding into a new city? Learn how to choose the right local area code, one that builds instant customer trust before your business answers its very first call there.