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In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state ...
Area code 925 is a telephone area code in the North American Numbering Plan for a northern part of the U.S. state of California. It was created in an area code split of area code 510 in 1998. The numbering plan area comprises the inland portions of the East Bay counties of Alameda and Contra Costa .
Mobile phones use geographic area codes. Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions.
The 469th area code in the NANPA; 925: California (inland regions of the East Bay: Livermore, Concord, Pleasant Hill, Walnut Creek, Martinez, Pleasanton, and Dublin, just east of the hills that ring San Francisco Bay) March 14, 1998: split of 510; 926: not in use; available for geographic assignment 927: not in use; available for geographic ...
Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California. They cover parts of Contra Costa County and western Alameda County, including the city of Oakland, but excluding Dublin, Livermore, Pleasanton, and Sunol. Area code 510 was established on ...
Area codes 213, 323, and 738; Area codes 310 and 424; Area codes 408 and 669; Area codes 415 and 628; Area codes 510 and 341; Area code 530; Area code 559; Area code 562; Area codes 619 and 858; Area code 626; Area code 650; Area codes 714 and 657; Area code 661; Area codes 707 and 369; Area codes 818 and 747; Area codes 760 and 442; Area codes ...
Assertions that all arrivals in China will face mobile telephone checks from July 1 are false, authorities said on Tuesday, dismissing them as distortions of the truth made by "anti-China forces".
Golden Horseshoe region of Ontario, including suburban Toronto, Hamilton, Oshawa, and the Niagara Peninsula in Ontario: 321: 407: Central Florida: In addition to being the sole area code in the Space Coast region around the Kennedy Space Center, this is the only partial overlay area code in North America 323: 213