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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.
- Telephone numbers in Brazil
The Brazilian telephone numbering plan uses a two-digit area...
- Telephone numbers in Argentina
Mobile phone numbers. Number portability. International...
- Dial plan
In telecommunication, a dial plan (or dialing plan)...
- Telephone numbers in Brazil
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 .
A 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.
It is a closed telephone numbering plan in which all subscriber telephone numbers have seven digits, in addition to the three-digit area code. Under all-number calling, a numbering plan introduced around 1960, local calls within an area code were placed by dialing NXX-XXXX, omitting the area code, known as seven-digit dialing.
