Area code 707 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern part of the U.S. state of California.It was created by a split of area code 415 on March 1, 1959. It serves part of the northern San Francisco Bay Area, as well as the North Coast.Major cities in the area code include Napa, Sebastopol, Vallejo, Benicia, Fairfield, Santa …

Area code 209 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of California.Its service area includes Stockton, Modesto, Turlock, Merced, Winton, Atwater, Livingston, Manteca, Ripon, Tracy, Lodi, Galt, Sonora, Los Banos, San Andreas, Mariposa, and Yosemite, the northern San Joaquin Valley (part of the Central Valley), and the Sierra …

Area code 403 is a telephone area code in the North American Numbering Plan (NANP) for the Canadian province of Alberta.The numbering plan area encompasses the southern third of the province, which includes the Calgary area.. Area code 403 was one of the original eighty-six area codes assigned by AT&T in 1947. Its numbering plan area (NPA) originally comprised the entire …

The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean. It is the part of the telephone number after the county code. For example, in the number 1-562-555-5555, the 1 is the country code (for the United States), and ...