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Area codes 602, 480, and 623 are telephone area codes in the North American Numbering Plan (NANP) for most of the Phoenix metropolitan area in the U.S. state of Arizona. Area code 602 is the oldest area code in Arizona and was assigned in 1947 for the entire state.
- List of Arizona area codes
Area codes 602, 480, and 623 serve the Phoenix metropolitan...
- Area code 480
Phoenix metropolitan area. Area codes in the United States.
- List of Arizona area codes
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes ( NPA codes, or area codes ), consisting of three digits that are prefixed to each local telephone number having seven digits.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947North American area code 480 is a telephone area code in Arizona serving the eastern and northern portions of the Phoenix metropolitan area. It was created on March 1, 1999, in a three-way split of area code 602, when it was apparent that the Valley of the Sun was growing too fast for it to remain entirely in one area code.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone ...
History. Creation: Area code 480 was put into service on March 1, 1999 and was the 252nd area code in service. It was one of 23 area codes introduced in 1999. It was the 3rd area code in the state of Arizona. Arizona currently has 5 area codes. It was created to relieve the pressure on the 602 area code as the numbers in 602 were being exhausted.
