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Three-digit code
- The plan divided most of North America into eighty-six numbering plan areas (NPAs). Each NPA was assigned a unique three-digit code, typically termed NPA code or simply area code. These codes were first used in Operator Toll Dialing by long-distance operators in establishing calls via trunks between toll offices.
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Format. NYX NXX-XXXX. Access codes. Country code. 1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean.
AT&T divided the United States and Canada into numbering plan areas (NPAs), and assigned to each NPA a unique three-digit prefix, the numbering plan area code, which became known in short-form as NPA code or simply area code. The area code is prefixed to each telephone number issued in its service area.
Dec 28, 2020 · This includes a three-digit Numbering Plan Area (NPA) code — an area code followed by a seven-digit local number or subscriber number. The format is usually represented as: +1 NXX-NXX-XXXX. Which Countries are Included in the NANP? Anguilla: 264. Antigua & Barbuda: 268. Bahamas (the): 242. Barbados: 246. Bermuda: 441.
- The North American Numbering Plan (NANP) is a telephone numbering plan that serves 20 North American countries and exists to simplify and facilitat...
- The NANP mainly covers the US and its territories, Canada, and some Caribbean countries.
- All North American countries included in the North American Numbering Plan are assigned the country code (+1), including the US and Canada.
- An example of a North American phone number is +1(469) 123-4567. It uses the format: +1 (area code) xxx-xxxx.
This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean.
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. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947Numbering Resources. NPA (Area) Codes. The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code. For quick information about a specific area code, use the area code search.
This site provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the US and its territories, and some Caribbean countries. Transition to 10-Digit dialing for 988 More Information NANPA Web Guide NANPA Help Desk.
