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Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes; List of North American Numbering Plan area codes; Telephone numbers in Mexico; Telephone numbers in Greenland
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] to be overlaid on 318; previously a fictitious area code assigned to identify Naked DSL/Dry Loop and dedicated data lines in ...
From 1958 to 1999, most of the British West Indies in the Caribbean Basin, Bermuda, the U.S. Virgin Islands, the Dominican Republic and Puerto Rico shared area code 809. By the mid-1990s, with the proliferation of fax machines, mobile phones, computers, and pagers in the region, the pool of available central office codes was exhausting.
Area code Year Current region 212: 1947 New York City: Manhattan only; overlays with 332, 646, and 917 315: 1947 Syracuse, Utica, Watertown, and north central New York; overlaid by 680. 329: 2023: Poughkeepsie, Middletown, Newburgh, West Point, Goshen and southeastern New York; overlay of 845 332: 2017
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, respectively. [ 1 ] 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 ...
Federal Entity Area codes Aguascalientes 449, 458, 465, 495, 496 Baja California 616, 646, 653, 658, 661, 663, 664, 665, 686 Baja California Sur
Area code 869; Area codes 876 and 658; A. Area codes 809, 829, and 849; F. List of future North American area codes; T. Telephone numbers in Puerto Rico
Area codes 408 and 669 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of California. The numbering plan area comprises most of Santa Clara County and Northern Santa Cruz County , and includes Gilroy , Morgan Hill , Saratoga , Los Gatos , Monte Sereno , Milpitas , Sunnyvale , Santa Clara , Cupertino ...