Numbering plan areas in California (blue) and border states. Area code 805 is shown in red.
Area codes 805 and 820 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. The numbering plan area (NPA) includes most or all of the counties of San Luis Obispo, Santa Barbara, Ventura, and the southernmost portions of Monterey County. 805 was split from area code 213 in 1957, and area code 820 was added to the NPA in 2018, creating an area code overlay.
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geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan areacodes (NPA codes, or areacodes), consisting of three digits...
the area exceeded normal forecasts, and placed areacodes 209, 213, 310, 408, 619, 805, and 818 in jeopardy status of exhausting central office codes before...
portion in the 909 areacode) Hacienda Heights (small portion in the 562 areacode) Industry (small portions in the 562 and 909 areacodes) Irwindale La Puente...
American Numbering Plan areacodes List of Arizona areacodes Mattern, Hal (February 22, 2001). "928: State adding a new areacode". The Arizona Republic...
Areacodes 702 and 725 are telephone areacodes in the North American Numbering Plan (NANP) for Clark County, including Las Vegas, in the U.S. state of...
Areacode 775 is a Nevada telephone areacode in the North American Numbering Plan. It was split from areacode 702 on December 12, 1998, and it covers...
Areacode 530 is a telephone areacode in the North American Numbering Plan (NANP) in northeastern and Northern California. It was created in 1997 in an...
within the same area, the areacode is not required. In general, shorter areacodes are assigned to larger cities, and longer areacodes to smaller towns...
Areacodes 909 and 840 are telephone areacodes in the North American Numbering Plan for the far-eastern part of Los Angeles County and southwestern San...
Contra Costa. The numbering plan area (NPA) was originally served with areacode 415, one of the first three areacodes of California in 1947, which originally...
Areacodes 714 and 657 are telephone areacodes in the North American Numbering Plan for the southern part of the U.S. state of California. The numbering...
Areacodes 619 and 858 are telephone areacodes in the North American Numbering Plan (NANP) for most of San Diego County in the U.S. state of California...
divided into three numbering plan areas (NPAs) with distinct areacodes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively...
Areacodes 510 and 341 are telephone areacodes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California...
Areacodes 209 and 350 are telephone areacodes in the North American Numbering Plan (NANP) for the U.S. state of California. Their service area includes...
areas (NPAs) with distinct areacodes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. California area codes...
657/714 areacode) Rossmoor Seal Beach List of California areacodes List of NANP areacodes North American Numbering Plan "Half of 310 AreaCode Will Be...
Areacodes 818 and 747 are telephone areacodes in the North American Numbering Plan (NANP) for the San Fernando Valley region of Los Angeles County in...
Areacodes 760 and 442 are telephone areacodes in the North American Numbering Plan (NANP) for the U.S. state of California. These areacodes serve an...
Areacode 808 is a telephone areacode in the North American Numbering Plan (NANP) for the Hawaiian Islands, comprising the windward and the leeward islands...
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