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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 .
Split from 714 on November 14, 1992; split off 951 on July 17, 2004; overlaid with 840 effective February 23, 2021. ... Area code 357 will be an overlay in area code ...
Time zone: UTC-8 • Summer UTC-7 (PDT) ... 92676. Area code: 714: GNIS feature ID: 2805246 [1] Modjeska Canyon is an unincorporated community and census designated ...
Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+08:00), Cuba Standard Time (UTC−05:00), and (North American) Central Standard Time (UTC−06:00), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in ...
area code 387 is reserved as a fifth code for the region; 438: Quebec (Montreal metropolitan area) November 4, 2006: ... split of 714; 950: not assignable as an area code
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.
Area code 909 was created on November 14, 1992, in an area code split of 909, and 840 was added to the numbering plan area to form an overlay complex effective February 23, 2021. While most of western Riverside County now uses Area code 951, some residents in Eastvale and Corona were allowed to keep the 909 area code after the split in 2004.
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.