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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.〔Telecommunications Numbering Plan – 1997 as amended 4 January 2008〕 == Overview == For land-line telephony, Australia has been 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. To access the "National 'Significant' Number" of a land-line telephone from a different "Area" (or from a "Mobile" 'phone) within Australia it is necessary to dial the Australian "Trunk Access Code" of 0, plus the "Area" code, followed by the "Local" Number. Thus, the "Full National Number" (FNN) has ten digits. The Australian "Trunk Access Code" (0) and the following digit(s) specify the type of service required. The following list is a high level of the numbering plan presented in domestic format. (Geographical region boundaries do not exactly follow State borders.) *000 Emergency access *0011 International access (Certain other prefixes in the range 001X are also in use by certain service providers.) *01 Alternative phone services *02 Geographic: Central East region (NSW, ACT) *03 Geographic: South-east region (VIC, TAS) *04 Digital Mobile services (GSM, 3G and 4G) *05 Location Independent Communication Services (formerly "personal" numbers) *07 Geographic: North-east region (QLD) *08 Geographic: Central and West region (SA, NT, WA) *1 Non-geographic numbers (mostly for domestic use only) When dialling from outside Australia it is necessary to dial the Country Code for Australia (61) followed by the nine digit "National 'Significant' Number" (the + symbol is used to represent International Access Code, e.g. +61 3 xxxx xxxx for a number in Victoria/Tasmania or +61 4xx xxx xxx for a mobile number). Some numbers beginning with a 1 may be dialled without any replacement, after dialling the required International Access Code and the Country Code for Australia (+61). (see below) Australian "Local Area" numbers are of eight digits in length, conventionally written in the form xxxx xxxx. "Mobile" (Cell Phone) numbers are also of eight digits in length but must also include the Trunk Access Code 0 (when dialled in Australia) plus 4, which indicates that it is the Service required is to a "Mobile" number. Mobile numbers are conventionally written 04xx xxx xxx. (The first four digits 04xx are allocated among the various Mobile Service Providers.) If the number is written where it may be viewed by an international audience (e.g. on an email signature or website) then the number is often written as +61 x xxxx xxxx or +61 4xx xxx xxx respectively. (The Australian National "Trunk Access Code" of 0 is not used for calls originated from overseas locations.) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Telephone numbers in Australia」の詳細全文を読む スポンサード リンク
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