Area codes 760 and 442

Area code 760 is a California telephone area code that was split from area code 619 on March 22, 1997.[1] Area code 442 is an overlay of 760 that became effective on November 21, 2009. It encompasses much of the southeastern and southernmost portions of California. The area includes Imperial, Inyo, and Mono counties, as well as portions of San Diego, Riverside, San Bernardino, Los Angeles and Kern counties.

Map of California numbering plan areas (blue) and border states. Area codes 442 and 760 are shown in red.

History

Area code 760 was split from 619 in 1997, which in turn had been split from area code 714 in 1982. Within a decade of its creation, however, the proliferation of cell phones and pagers left 760 strained to the point that a new area code was needed for the area. The initial plan was a further area code split, with the San Diego and Imperial portions moving to a new 442 area code. However, this met with protests from businesses who did not want to change their numbers for the second time in a decade. Ultimately, the California Public Utilities Commission decided that 442 would be added as an overlay to 760 instead, and since 2009 all users in the region have been required to include the area code even when dialing local calls.

At 46,666 square miles (120,860 km2), it is the largest area code in California with approximately 29% of the state served by area codes 760 and 442.[2]

Manual service

Areas within this area code which had manual service in the past include:

Rate centers

Imperial County

Inyo County

Kern County

Los Angeles County

Mono County

Riverside County

San Bernardino County

San Diego County

See also

References
  1. https://www.allareacodes.com/california_area_codes.htm#619
  2. 760/442 area code. California Public Utilities Commission. Accessed July 31, 2017.
California area codes: 209, 213/323, 279/916, 310/424, 341/510, 408/669, 415/628, 442/760, 530, 559, 562, 619/858, 626, 650, 657/714, 661, 707, 747/818, 805/820, 831, 840/909, 925, 949, 951
North: 530, 702/725, 775l
West: 209, 559, 619/858, 626, 661, 808, 909, 951, 949 area code 442/760 East: 928
South: 619/858, Country code +52 in Mexico
Arizona area codes: 480, 520, 602, 623, 928
Nevada area codes: 702/725, 775
Hawaii area codes: 808

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