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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.
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 .
- 1
- 011
- +1 NXX NXX-XXXX
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In 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.
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...
Feb 19, 2024 · Telephone numbers typically get assigned according to national telephone numbering plans, such as the North American Numbering Plan (NANP) for the United States and Canada. These plans can be “open” or “closed,” significantly impacting the structure and accessibility of phone numbers within different regions.
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.
