Telephone numbering plan - Wikipedia
WebA 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.
North American Numbering Plan - Wikipedia
WebThe 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 .
List of North American Numbering Plan area codes - Wikipedia
WebEach 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.
Telephone numbering plan - Simple English Wikipedia, the free …
WebA telephone numbering plan is a system used in telecommunications to give telephone numbers to customers and to route telephone calls in a telephone network. A closed numbering plan imposes a fixed length to numbers, such as in North America (10-digit). An open numbering plan may have telephone numbers that vary in length.
Dial plan - Wikipedia
WebIn telecommunication, a dial plan (or dialing plan) establishes the permitted sequences of digits dialed by telephone subscriber and the manner in which a telephone switch interprets these digits within the definitions of the prevailing telephone numbering plan. [1]
Telephone numbers in China - Wikipedia
WebChina's mobile telephone numbers were changed from ten digits to eleven digits, with 0 added after 13x, and thus the HLR code became four-digit long to expand the capacity of the seriously fully crowded numbering plan. In 2006, 15x numbers were introduced. In late 2008, 18x and 14x (for data plans or IoT) were introduced.
North American Numbering Plan - Simple English Wikipedia, …
WebThe 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. There are three-digit area codes and seven-digit telephone numbers. Related pages. List of North American Numbering Plan area codes
North American Numbering Plan - Wikiwand
WebThe 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.
E.164 - Wikipedia
WebE.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. E.164 defines a general format for international telephone numbers.
North American Numbering Plan General Management and …
WebDec 3, 2012 · The North American Numbering Plan (NANP) is the basic numbering scheme permitting interoperable telecommunications services within the U.S., Canada, Bermuda, and most of the Caribbean.Section 251 (e) (1) of the Act required the Commission to create or designate one or more impartial entities to administer telecommunications numbering and to make...
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