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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 ...
This feature group 'B' has been rendered obsolete by 1010xxx "dial-around" feature group 'D', but the exchange remains reserved in each individual area code. 951: California (western Riverside County, including Riverside, Corona, California, Lake Elsinore, Mira Loma, Moreno Valley, Sun City, Temecula, Winchester, Lakeview, etc.) July 17, 2004
Area code 412 is a telephone area code in the North American Numbering Plan (NANP) for the Commonwealth of Pennsylvania. The numbering plan area (NPA) comprises the city of Pittsburgh , most of surrounding Allegheny County , and small portions of Washington and Westmoreland counties.
The area code split became effictive on July 11, 1998, with a permissive dialing period ending on February 20, 1999. [3] Months later, by late 1998, continued growth in telecommunication services in Northern California required further area code relief for the 408 numbering plan area.
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
Pages in category "Area codes in California" The following 25 pages are in this category, out of 25 total. ... Area code 559; Area code 562; Area codes 619 and 858 ...
Area code 415 was assigned to central California, south of area code 916, and north of area code 213. It stretched from Sacramento in the north to Bakersfield in the south. [2] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south-running dividing line.
In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los Angeles. [23] Area code handbook issued by many telephone companies in 1962 to promote the newly introduced direct distance dialing.