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 numbering plans are defined in each of administrative regions of the public switched telephone network and they are also present in private telephone networks. For public number systems, geographic
E.164 is an international standard (ITU-T Recommendation),...
- Number structure
National or regional telecommunication administrations that...
- Country code
Country codes are necessary only when dialing telephone...
The integrated numbering plan also enables local number portability between fixed and wireless services within a region, allowing users to switch to mobile service while keeping their telephone number. The initial plan for area code overlays did allow for providing separate area codes for use by mobile devices, although these were still ...
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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. A dial plan establishes the type of telephone number in a given area.
The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean. It is the part of the telephone number after the county code.
Telephone numbers in China are organized according to the Chinese Telephone Code Plan. The numerical formats of landlines and mobile phones are different: landlines have area-codes, whereas mobile phones do not. In major cities, landline-numbers consist of a two-digit area code followed by an eight-digit inner-number.
- Geographic numbers
- Non-geographic numbers
- Non-geographic numbers (domestic use)
- International access
The Australian telephone numbering plan describes the allocation of phone numbers in Australia. It has changed many times, the most recent major reorganisation by the Australian Communications and Media Authority taking place between 1994 and 1998.
For landline telephony, Australia is now geographically divided into four large areas, most of which cover more than one State and/or Territory. All "Local" telephone numbers within these four areas are of eight digits, consisting of a four digit "Exchange" code plus a four digit number. The "National 'Significant' Number" consists of a single digit "Area" code followed by the "Local" eight digit number – a total of nine digits. Within Australia, to access the "Number" of a landline ...
Geographical areas are identified by the first few digits of the local number
Numbers beginning with 014 are predominantly used for satellite services. Parts of the 014 prefix had previously been used as a 9 digit, AMPS mobile phone access code. The 01471 prefix is the ten-digit replacement for the previous, nine-digit ITERRA satellite phone code 0071 xxxx
These numbers are designed for VoIP systems, where they work like a fixed number but not allocated on a geographical level. It is possible that LICS numbers will be absorbed into mobile numbers in the future, as they provide similar features. Indeed, the July 2012 variation of th
All calls to 0198 numbers are a "local call" cost like 13 and 1300 numbers but are used for Internet service provider access numbers. They are used both with dial-up modems and ISDN. e.g. 0198 308 888 is the dial-up PoP number for Telstra Internet
The following codes are not generally dialable from international points, but used in domestic dialling
There are other codes for using a non-default carrier or a special plan: 1. 0014 will route through the Primus network 0015 formerly used the Telstra network on a special mode for international faxing. Telstra has retired this code 2. 0019 will use the Optus network 3. Other 4 an
South Korea uses an open dialing plan with a total length (including 0) of 9 to 11 digits and, within city, subscriber numbers 7 to 8 digits long. Dialing from mobile phones to any type of phone except 010 numbers, the area code must be included.
In Sweden, the area codes are, including the leading 0, two, three or four digits long, with larger towns and cities having shorter area codes permitting a larger number of telephone numbers in the eight to ten digits used (including the leading '0').