A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony ...
The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the ...
A telephone number serves as an address for switching telephone calls using a system of destination code routing. ... Telephone numbers are entered or dialed by a ...
A dial plan establishes the type of telephone number in a given area. This includes country codes, access codes, area codes and all combinations of digits ...
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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 ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888.
Plan-conforming telephone numbers are limited to only digits and to a maximum of fifteen digits. The specification divides the digit string into a country code ...
... Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Telephone numbers in United Kingdom. Telephone Dialling ...
Feb 9, 2021 · Now the middle digit can be anything. North American Numbering Plan - Wikipedia. Integrated telephone numbering plan of twenty North American ...