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This map is clickable; click on any region shown to visit the page for those area codes.Area code 619 is shown in red. Area codes 619 and 858 are telephone area codes in the North American Numbering Plan (NANP) for most of San Diego County in the U.S. state of California. Area code 619 was created by a split of area code 714 in 1982. In 1999, a ...
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
San Francisco, Marin County and small portions of San Mateo County: 629: 615: Nashville, Tennessee: 639: 306: Saskatchewan: 640: 609: Central and southeast New Jersey: 657: 714: Northern Orange County, California: 658: 876: Jamaica: 659: 205: Western and central Alabama: 669: 408: Southern Bay Area in California, encompassing much of Santa ...
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes. 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.
These area codes serve an overlay complex that comprises much of the southeastern and southernmost portions of California. It includes Imperial, Inyo, and Mono counties, as well as portions of North County San Diego, Riverside, San Bernardino, Los Angeles and Kern counties. Area code 760 was created on March 22, 1997 in a split of area code 619 ...
The numbering plan area comprises northern Orange County, a portion of Los Angeles County, and the Sleepy Hollow and Carbon Canyon areas of Chino Hills in San Bernardino County. Area code 714 was assigned to a part of numbering plan area 213 in 1951, and 657 was added in 2008 to form an overlay complex .
The second area code, 202, was assigned to the District of Columbia. The allocation of area codes was readjusted as early as 1948 to account for inadequacies in some metropolitan areas. For example, the Indiana numbering plan area 317 was divided to provide a larger numbering pool in the Indiana suburbs of Chicago (area code 219). [citation needed]
Area codes 213, 323, and 738 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. They are assigned in an overlay complex to a numbering plan area (NPA) that comprises, roughly, the area of downtown Los Angeles City , as well as several southeast Los Angeles County cities, such as Bell and ...