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originally reserved for inbound international calls for carrier-specific services; 2017: was withdrawn because of lack of demand; 2023: returned to the pool of area codes available for future area code relief; 457: Louisiana (Shreveport–Bossier City, Monroe, Alexandria, Fisher, Tallulah, and most of northern Louisiana) September 25, 2025 [3]
The Alaska numbering plan area (NPA) was assigned the area code 907 and entered service in 1957. The Alaska numbering plan area is geographically the largest of any in the United States . It is the second-largest in the NANP, and on the entire North American continent behind 867 , which serves Canada 's northern territories.
Zone 1 uses an integrated numbering plan; four digits (1xxx) determine the area served in Canada, the United States and its territories, and much of the Caribbean. Zone 2 uses two 2-digit codes (20, 27) and eight sets of 3-digit codes (21x–26x, 28x, 29x), mostly to serve Africa , but also Aruba , Faroe Islands , Greenland and British Indian ...
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union.
The first cities that required this action, in 1974, were the cities of Los Angeles with area code 213 and New York with 212. This change also required modification of the local dialing procedures to distinguish local calls from long-distance calls with area codes.
Contact us; Contribute Help; Learn to edit ... Pages in category "Area codes in Alaska" ... Area code 250; Area code 907 This page was last edited on 24 December 2023 ...
Pages in category "Lists of United States area codes" ... List of Alabama area codes; List of Alaska area codes; ... 48 (UTC). Text is ...
When dialing a telephone number, the area code may have to be preceded by a trunk prefix or national access code for domestic calls, and for international calls by the international access code and country code. Area codes are often quoted by including the national access code. For example, a number in London may be listed as 020 7946 0321.