Area code 600 is a telephone area code in the North American Numbering Plan for non-geographic use in Canada of specialized telecommunication services...

The 600–699 range of area codes in Mexico is reserved for the states of Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa, and Sonora...

Area codes 610, 484, and 835 are telephone area codes in the North American Numbering Plan (NANP) for the eastern and southeastern regions of Pennsylvania...

provided by a division of the telephone numbering plan into groups of area codes for the following regions: Telephone numbers in Mexico "Telephone numbering...

(NANP) of a three-digit area code, a three-digit central office code (or exchange code), and a four-digit station or line code. This is represented as...

geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits...

carrier-specific services have used area code 700. In Canada, area code 600 is used for non-geographic applications. Area code 900 has been used for high-toll...

Area codes 617 and 857 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Massachusetts, serving the city of Boston...

Area code 867 is the area code in the North American Numbering Plan (NANP) for the three Canadian territories, all of which are in Northern Canada. The...

Area code 952 is the telephone area code in the North American Numbering Plan (NANP) for the southwestern suburbs of Minneapolis-St. Paul in the U.S. state...