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A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing.
E.164 is an international standard (ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks.
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. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably Mexico, do not participate with the NANP.
28 de dic. de 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.
- 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.
An international E.164 number is designed to include all of the necessary information to successfully route a call to an individual subscriber on a nation's public telephone network. Here's how the E.164 numbering plan works: A telephone number can have a maximum of 15 digits.
- Dave Roos
19 de feb. de 2024 · This article will explain global telephone numbering plans, the differences between open and closed ones, and the common ways to format telephone numbers across various countries. Closed Versus Open Numbering Plans. Closed numbering plans contain a fixed number of digits for each telephone number.
The major successful example of an integrated numbering plan is the North American Numbering Plan. The United States of America, Canada, and several Caribbean countries have a uniform integrated numbering plan behind the single -digit country code +1. This con stitutes the only major world region
