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- List of North American Numbering Plan area codes - Wikipedia
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
- List of North American Numbering Plan area codes - Simple English . . .
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)
- Lists of North American area codes - Wikipedia
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
- North American Numbering Plan - Wikipedia
Each NPA was identified by a unique three-digit code number, termed the numbering plan area code (NPA code, or short, area code), which was prefixed to the local telephone number when calling from one NPA to another
- Original North American area codes - Wikipedia
The United States received seventy-seven area codes, and Canada nine The initial system of numbering plan areas and area codes was expanded rapidly during the ensuing decades, and established the North American Numbering Plan (NANP)
- List of future North American area codes - Wikipedia
This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs) The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters
- North American Numbering Plan - Simple English Wikipedia, the free . . .
The North American Numbering Plan (NANP) is a telephone numbering plan It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean [1] [2] There are three-digit area codes and seven-digit telephone numbers
- Category:North American Numbering Plan - Wikipedia
The following 22 pages are in this category, out of 22 total This list may not reflect recent changes
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