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What is a numbering plan area code?
What is a numbering plan area (NPA)?
What is a prefix in a numbering plan?
What is a North American area code?
What is a telephone numbering plan?
What is the North American numbering plan (NANP)?
Apr 28, 2010 · This section provides information about UK telephone numbers, and allows communications providers to apply for telephone numbers from the National Numbering Scheme. It also provides information on numbering policy such as number portability, and the use of 070 telephone numbers.
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Published: 13 March 2024. Last updated: 22 October 2024....
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Many numbering plan administrators subdivide their territory of service into geographic regions designated by a prefix, often called an area code or city code, which is a set of digits forming the most-significant part of the dialing sequence to reach a telephone subscriber.
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, ...1947- 368, 403, 568, 587, 780, 825
- 204, 431, 584
- 236, 250, 257, 604, 672, 778
- 428, 506
In the United Kingdom, the "area code" is often referred to as a " subscriber trunk dialling code" (STD code) or a "dialling code". STD codes are two, three, four or, exceptionally, five digits long (after the initial zero).
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.
Mar 13, 2024 · Published: 13 March 2024. Last updated: 22 October 2024. This page is for communications providers (CPs) to download our data files. We publish data on which UK telephone numbers are available for allocation or are allocated, and aim to update these files every Wednesday.
Dec 28, 2020 · The North American Numbering Plan (NANP) is a telephone numbering plan that serves 20 North American countries and exists to simplify and facilitate easy direct international calling. The NANP mainly covers the US and its territories, Canada, and some Caribbean countries.
