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Area codes 714 and 657 are telephone area codes in the North American Numbering Plan (NANP) for the southern part of the U.S. state of California. 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 .
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 ...
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.
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
The current area code is “in high demand” and is expected to be depleted by September 2025. An overlay “adds a second area code to the same geographic region.”
Pages in category "Area codes in California" The following 25 pages are in this category, out of 25 total. ... Area codes 714 and 657; Area code 661; Area codes 707 ...
The first split became necessary in 1951, when most of the southern and eastern portion, including San Diego and most of Orange County, were assigned area code 714.In 1957, 213 was restricted to Los Angeles County, with most of the northern and western portions receiving area code 805.
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