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- 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.
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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, ...1947- 368, 403, 568, 587, 780, 825
- 204, 431, 584
- 236, 250, 257, 604, 672, 778
- 428, 506
Numbering plan area code The first NXX block is the numbering plan area code. When the second and third digits are the same, the code is an easily recognizable code (ERC). ERCs designate special services; e.g., 800 for toll-free service. The NANP is not assigning area codes with 9 as the second digit.
- 1
- 011
- +1 NXX NXX-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.
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. You can also find the area code for a city or town with population greater than 20,000.
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.
- What is the North American Numbering Plan?The North American Numbering Plan (NANP) is a telephone numbering plan that serves 20 North American countries and exists to simplify and facilitat...
- What Countries Use the North American Numbering Plan?The NANP mainly covers the US and its territories, Canada, and some Caribbean countries.
- Why do the US and Canada Have the Same Country Code?All North American countries included in the North American Numbering Plan are assigned the country code (+1), including the US and Canada.
- What is a North American Phone Number Example?An example of a North American phone number is +1(469) 123-4567. It uses the format: +1 (area code) xxx-xxxx.
(Top) See also. Lists of North American area codes. The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries.
Mar 22, 2024 · Search for Area Code Listings; Signup to Receive NANPA Notifications; NRUF Processing and Forms; Getting Started with CO Code Requests; Getting Started for Interconnected VoIP Providers; Getting Started with CIC Assignments; NAS User Guides; NAS Training Videos; Safety Valve Process Quick Sheet (updated 12/18/23) Area Code Map
