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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 codes 341 and 510
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- Area codes 341 and 510
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 .
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay .
21 giu 2018 · The new telephone area code for a big stretch of the East Bay, including its largest city, Oakland, is 341, state regulators said Thursday.
7 feb 2022 · Learn the history and significance of the 510 area code, which split from 415 in 1992 and covers Oakland, Berkeley, and Richmond. Find out how the area code is celebrated by locals and reflected in culture and business.
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.
