Telephone numbers in Australia

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Telephone numbers in Australia
Australia (orthographic projection).svg
Location of Australia (dark green)
Location
Country Australia
Continent Australia
Regulator Australian Communications and Media Authority
Type Open
NSN length10
FormatLandlines: (0x) xxxx xxxx (domestic)
+61 x xxxx xxxx (international)
Mobiles: 04xx xxx xxx (domestic)
+61 4xx xxx xxx (international)
Other non-geographic numbers: 1x00 xxx xxx
Access codes
Country code 61
International access 0011
Long-distance 0

The Australian telephone numbering plan governs the allocation of telephone 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. [1]

Contents

Overview

For landline telephony, Australia is geographically divided into four areas, three of which cover more than one state or territory. All local telephone numbers within the four areas have eight digits, consisting (mainly) of a four-digit exchange code and a four-digit local line number. The national significant number consists of a single-digit area code followed by the local eight-digit number, a total of nine digits. Calling within Australia a landline telephone in an area other than that of the caller, the telephone number is preceded by the Australian trunk prefix 0 and the area code: 0x xxxx xxxx.

The current numbering plan would appear to be sufficient to cope with potential increase in demand for services for quite some time to come.[ citation needed ] The 06 and 09 area codes are unused. In addition, each other area code has large number ranges unallocated.[ citation needed ]

When dialling from outside Australia, after dialling the appropriate international access code, 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 the 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.

Australian local numbers have eight digits, conventionally written in the form xxxx xxxx. Mobile numbers are written in the form of ten digits, when dialed within Australia, the 0 must be included, and 4, which indicates the service required is a mobile number. Mobile numbers are conventionally written 04xx xxx xxx. If a landline or mobile number is written where it may be viewed by an international audience (e.g. in an email signature or on a website) then the number is often written as +61 x xxxx xxxx or +61 4xx xxx xxx respectively.

The Australian national trunk access code, 0, is not used for calls originated from locations outside Australia.

Geographic numbers

Fixed-line telephone numbers

Within Australia, dialing a number in another area requires dialing the trunk code 0, followed by the area code, and then the local number.

In major centres, the first four digits specify the CCA (Call Collection Area, also known as an exchange), and the remaining digits specify a number at that exchange, up to 10,000 of which may be connected. Smaller exchanges in more remote areas may have fewer than 100 connected numbers.

To access numbers in the same area, it is necessary only to dial the eight digits concerned. To access a number in another area it is first necessary to dial the trunk code of 0, followed by the area code (2, 3, 7 or 8) and then the specific local number.

The area codes do not exactly match state/territory boundaries. Notable are the part of New South Wales around Broken Hill (a large part of the state's area but less than 1% of its population), which uses (08) 80xx numbers, [2] and Wodonga, which is in Victoria but is within the New South Wales (02) area code. Similarly New South Wales border towns including Deniliquin and Buronga are within the South East (Victorian) (03) area code, and Tweed Heads within the North East (Queensland) (07) area code. Physical exchanges can be allocated one or more prefixes and modern technology allows sub-sets of these number ranges to be allocated to switching entities physically located at a distance from the exchange in which their controlling terminal is located. (Thus, the concept of what a "telephone exchange" is can become somewhat blurred.)

Landlines use an open dialling plan: if the caller's phone shares the same area code as the called phone, the area code may be omitted. For example, a call from the number (02) 5551 5678, to the number (02) 7010 1111, will be connected if the caller dials only 7010 1111. Similarly, a person who dials 7010 5678 on a land-line or mobile phone in Melbourne (i.e., within the 03 area) will be connected to 03 7010 5678. For this reason, landline numbers are often specified without the area code. If a person's number and the destination number share the same area code, then the area code is not required, even if it is not a local (untimed) call.

However, the full international number must always be dialled, since the Australian telephone network has the capability to recognise when the destination required is either international, in a different national area or within the local area and to switch and charge the call accordingly. Thus, it is strongly recommended that telephone numbers should be stored in mobile phones in the form of the full international number, should the owner of the phone be likely to use the phone concerned in an area away from home, either within Australia or internationally.

Mobile phones

Within Australia, mobile phone numbers begin with 04 – the Australian national trunk code 0, plus the mobile indicator 4 – followed by eight digits. This is generally written as 04XX XXX XXX within Australia, or as +61 4XX XXX XXX for an international audience. This format is the result of mobile carriers advertising numbers in such a way so as to clearly identify the owning telco prior to mobile number portability, introduced on 25 September 2001. Prior to MNP, mobile operators generally reserved number ranges in blocks of 04 xy z.

The xy-digit codes (sometimes xy z) are allocated per network. Since the introduction of number portability, there is no longer a fixed relationship between the mobile phone number and the network it uses.

In 2015 the 05 prefix (other than 0550) was also reserved for digital mobile phones as a part of the Telecommunications Numbering Plan 2015. However, as of 2024 [3] no numbers have been allocated with this prefix.

Within Australia, mobile numbers must always be dialed with all 10 digits, regardless of the caller's location.

List of geographic numbers

Geographical areas are identified by the first few digits of the local number:

Central-East region (02)

South-east region (03)

North-east region (07)

Central and West region (08)

Notes

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 New in 2012
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Prefixes proposed by ACMA and legislated in early 2008. [4] Note, some of these numbers are now actually in use
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Added since renumbering
  4. 1 2 3 4 5 6 7 8 0x 5550 and 0x 7010 reserved for fictitious use. [5]

List of non-geographic numbers

Mobile phone numbers (04, 05)

Each mobile phone company is allocated numbers in blocks, which are listed below. However mobile number portability means an individual number might have been "ported". There are also many MVNOs which use numbers from their wholesaler or might have their own ranges.

ACMA planned to introduce the "05" range for mobile numbers in 2017, when the "04" range was expected to be exhausted. [6] So far, no such numbers have been introduced.

Allocation for numbers in the range 04xy z00 000 –04xy z99 999
y0123456789
z0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
040yz Telstra Optus Vodafone Telstra
041yzVodafoneOptusVodafoneTelstra
042yz*VodafoneOptusVodafoneTelstra
043yzVodafoneOptusVodafoneOptusTelstra
044yzSpareT*SpareTelstraVodafone
045yzVodafoneSpareTelstra
046yzTelstraSpareOptusTelstraOptus Lycamobile
047yzLycamobileSpareTelstraOptus
048yzTSpareOptusSpareTelstraSpareTelstraPT**P
049yzTelstra*TelstraSpareTelstra
*Allocation of numbers in these ranges
MultiRangeProvider
042000420 000 000 – 0420 019 999 RailCorp
0420 020 000 – 0420 029 999Dialogue Communications Pty Limited
0420 030 000 – 0420 039 999Symbio Network Pty Ltd
0420 040 000 – 0420 089 999Spare
0420 090 000 – 0420 099 999CLX
042010420 100 000 – 0420 109 999Pivotel Satellite Pty Ltd
0420 110 000 – 0420 119 999COMPATEL Limited
0420 120 000 – 0420 199 999Spare
044450444 500 000 – 0444 599 999MBLOX
048880488 800 000 – 0488 899 999Pivotel (abbreviated as "P" above)
048900489 000 000 – 0489 099 999Novatel Telephony Pty Ltd
048980489 800 000 – 0489 839 999Spare
0489 840 000 – 0489 849 999 VicTrack
0489 850 000 – 0489 899 999Spare
048990489 900 000 – 0489 999 999Pivotel (abbreviated as "P" above)
049150491 500 000 – 0491 519 999Messagebird
0491 520 000 – 0491 569 999Spare
0491 570 000 – 0491 579 999 Australian Communications & Media Authority
0491 580 000 – 0491 599 999Spare

The numbers 0491 570 006, 0491 570 156, 0491 570 157, 0491 570 158, 0491 570 159, 0491 570 110, 0491 570 313, 0491 570 737, 0491 571 266, 0491 571 491, 0491 571 804, 0491 572 549, 0491 572 665, 0491 572 983, 0491 573 770, 0491 573 087, 0491 574 118, 0491 574 632, 0491 575 254, 0491 575 789, 0491 576 398, 0491 576 801, 0491 577 426, 0491 577 644, 0491 578 957, 0491 578 148, 0491 578 888, 0491 579 212 and 0491 579 760 are reserved for fictitious use. [7]

Satellite phone numbers (014)

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 (followed by 5 numbers). Prior to its use for ITERRA (and other satellite services). These numbers were allocated in March 1999.

Numbers beginning by 0145 are used for services utilised on the Optus network in Australia. This is predominantly used for MobileSat and Thuraya mobile satellite services. These numbers were allocated in December 1992: 222,000 with the rest "spare".

The prefixes 0141, 0142, 0143, 0145 and 0147 are set aside for satellite systems; the rest of the 014 prefix range is currently not allocated to any other service type. There is not a lot of demand for these services, and many satellite phones now have normal mobile phone numbers (prefix 04), so it is not likely for the entire 014 range to be allocated to satellite services.

Location independent communications service (0550)

These numbers are designed for VoIP (Voice over Internet Protocol) 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 the numbering plan allocated the rest of the 05 range to digital mobile numbering. [8]

Data numbers (0198)

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.

Obsolete numbers

Most numbers that are no longer used have been removed from the Telecommunications Numbering Plan 2015, whether in previous variations or in this complete replacement. (See below)

However, the 0163 prefix is still allocated for use with pagers. This was reduced from 016 in a variation to the previous numbering plan. As of March 2011 only 1000 numbers were allocated, and by the end of 2012 there were none allocated.

List of non-geographic numbers (domestic use)

The following codes are not generally dialable from international points, but used in domestic dialling:

Some notes:

Emergency services numbers (000, 106, 112)

000 is the primary emergency telephone number in Australia. [11] Secondary emergency numbers are 106 (for use by the hearing impaired with a TTY terminal) and the international GSM mobile emergency telephone number 112 .

Increased awareness of the 112 emergency number [11] in Australia has led to the potential for confusion over which number to call in an emergency. As a secondary emergency number, 112 is not guaranteed to work from all technologies; most notably, it does not work from landlines. [12] In order to encourage use of 000, mobile telephones imported commercially into Australia are required to be programmed to treat 000 in the same fashion as 112 (i.e. dialling with key lock enabled, use of any carrier, preferential routing, etc.). [13] On older or privately imported (e.g. roaming from another country) telephones, 000 may not receive such preferential treatment.

Local Rate and FreeCall numbers (13, 180)

Australia uses the free call prefix 1800 for 10 digit freecall numbers. This is similar to the North American or NANPA prefix 1–800, but while in North America, the 1 is the long-distance or toll prefix and 800 is the area code; 1800 in Australia is itself a "virtual area code" (prior to the introduction of 8-digit numbers, the free call code was 008). There are also seven digit freecall numbers beginning with 180 – the only numbers currently allocated begin with 1802.

The 13 and 1300 numbers are known as Local Rate Numbers or SmartNumbers. [14] They are also known as priority 13, and priority 1300 numbers. These work across large areas (potentially the whole of Australia) and charge the caller only a low cost, routing the call to the appropriate place in a given area. For example, a company could have the number 139999 and have the telephone company set it up so that calls made in Melbourne would route to their Melbourne number, calls made in Brisbane to their Brisbane number, and calls made anywhere else in Australia route to their Sydney number, all at a local charge cost to the caller. 13 numbers were not available before the introduction of the current 8-digit local numbering plan. Businesses looking for local callers tend to connect to a "1300" number. Note that these numbers are called "Local Rate" and not "Local" numbers, so do not necessarily cost the same as a local call: Indeed, many (landline and mobile) phone plans do not even include them in the "included" credit and/or charge them at a higher rate than "normal" numbers.

Though promoted as "local call rate" calls, calls to 13 and 1300 numbers cost more than a local call fee for those people using VoIP and having all local and national calls free.[ citation needed ]

1800, 1300 and 13 numbers are reverse charge networks. Other than the length of the number, the differences between a 13 number and a 1300 number is that the shorter number has a higher fee for the owner of the number: there should be no difference in cost to the caller. A call to an 1800 is free when dialled from a landline, and mobile phones since 2014. [15] It depends on the individual mobile plan as how 13 and 1300 numbers are charged: all plans no longer charge for 1800 but 13 and 1300 may still be charged at a high rate, or outside included calls.

These numbers "forward" to a geographic or mobile number. The recipient is usually charged at a set rate per second for each call, depending on plan and destination.

Premium numbers (19)

190x (not to be confused with 0198) is the prefix for premium rate services (e.g. recorded information, competition lines, psychics, phone sex, etc.). (Prior to the introduction of 8-digit local numbers, the prefix was 0055.) 190 numbers incur a rate as charged by the provider – either at a per-minute rate (limited at $5.50 per minute) or a fixed rate (up to $38.50 per call). The latter method is most often used for fax-back services, where a timed charge is not appropriate. Costs of 190 calls for competitions involving chance are also often limited by state legislation to $0.55 per call. (In the previous numbering plan, 0055 numbers were limited to three bands: Premium Rate, Value Rate and Budget Rate, with per minute rates of $0.75, $0.60 and $0.40 respectively.)

Other numbers beginning with 19 are used for premium-rate SMS services. These were originally trialled using the 188 prefix. These can range from a standard SMS cost (usually 25c), up to 55c for competition use, to several dollars for other uses, such as unique bid auctions.

International access

The main international prefix is 0011. (E.164 international format is supported from phones with the ability to dial the '+' symbol. [16] )

There are other codes for using a non-default carrier or a special plan:

Formerly, 0015 would route through Telstra on a special mode for international faxing. Telstra has retired this code. The prefix 0018 was previously used by Telstra to offer international calls charged in 30-minute blocks, at a potential discount to the default per-minute charge; this offer was retired in October 2012. [17]

Carrier selection codes (14xx) are now also used, and carrier pre-selection is widely used.

Carrier selection codes

These four-digit numbers are dialled before the destination number to complete and bill a call by a carrier other than the subscriber's service provider. For example, to use AAPT to call a number in Tokyo, Japan, subscribers would dial 1414 0011 81 3 xxxx xxxx, or to use Optus to call a number in Perth they would dial 1456 08 xxxx xxxx. It is not clear if all these prefixes will actually work. Not all carriers have interconnect agreements with each other

Supplementary control services

Works on both landlines and mobiles

Works on mobiles only

Other numbers and codes

Feature codes – Telstra

These codes are only true for Telstra-infrastructure based landline phones

Test numbers

Historical numbering plans

2010s

Many old numbers were officially removed from the Telecommunications Numbering Plan in the 2015 version, whether in the replacement version or a previous variation.

1990s

0055 numbers were previously premium-rate numbers, but have been moved into 190 numbers before 1999.

The original toll-free area code was 008, but the format was changed to 1800.

Directory assistance used various numbers: 013 for local calls, 0175 for other national calls, and 0103 for international. The two domestic numbers have been replaced with 1223, while 0103 was replaced with 1225. Other numbers for directory assistance, often with a call connection option, exist depending on the carrier.

011 was initially the code for the operator, 0011 later became the international exit code.

014 was originally the number for the time, (later 1104), which was changed to 1194 in 1976.

0176 was originally the code for the operator when calling from a Public Telephone. It became the code for the reverse-charge call operator, which was moved to 12550. Alternatively 3rd-party companies exist. See Collect call#Australia

1960s

Up to this time, the maximum size of an Australian telephone number was six digits.

Until the early 1960s, the first one or two digits of telephone numbers in metropolitan areas were alphabetic, with each letter representing a distinct number on the telephone dial. Each one-letter or two-letter code signified an exchange within an urban area. Rural and regional areas typically relied on manual exchanges, or only one automatic exchange for the whole town, so rural and regional numbers did not feature these letter prefixes. The use of a letter-number combination also served as a memory aid as it was easier to remember than a string of digits in the days when such things were not as common.

Unlike the three (or fewer) letters associated with each of the numbers on the dials of telephones of the UK Director telephone system, which was used in London and other large British cities, Australia used a system of letters associated with the ten digits available on a telephone dial, where each of these letters were chosen because their "name" (when pronounced, in English) could not be confused with any of the other nine letters of the English/Latin alphabet which were also used.

Since the initial digits of 1 and 0 (ten) were not used, this gave the telephone company concerned up to 8 regions with main exchanges and up to ten sub-exchanges in each metropolitan area – a total of up to 80 individual exchanges of 10,000 numbers in each with up to only 800,000 individual "numbers" in any metropolitan area concerned. This limited capacity led to the need for a seven- or eight-digit numbering system, to allow for more "numbers" within a given area.

Because of the growth of the telephone network, Australia now has eight-digit telephone numbers within four areas.

This former alphanumeric scheme was significantly different from the current system used for SMS messages.

The former alphanumeric scheme was:

The letters did not relate to any exchange name. For example, the exchange prefix for Essendon was FU (which translated to 37 and later became the 37x [then 937x] exchange used by the whole City of Essendon [which became the City of Moonee Valley in late 1994]). Although Melbourne city numbers began with 6, it was only rarely, and probably by accident, that any other exchanges had matching letters. Numbers using the old alphanumeric scheme were written as ab.xxxx, for example FU 1234 (the actual train of digits sent to the phone was "371234") or MW 5550 (685550). Seven-digit numbers started appearing as early as 1960, and were all numerical from the start. There were still some six-digit numbers and at least one five-digit number in Melbourne as late as 1989, but by the 1990s, they all had been converted to seven-digit numbers. Footscray used six-digit numbers in exchange code 68 until 1987, when they were changed to 687 or 689.

The old call back number was 199, and could be used on public payphones, and private numbers too. This was moved to a new number 12722199.

See also

Related Research Articles

Premium-rate telephone numbers are telephone numbers that charge callers higher price rates for select services, including information and entertainment. A portion of the call fees is paid to the service provider, allowing premium calls to be an additional source of revenue for businesses. Tech support, psychic hotlines, and adult chat lines are among the most popular kinds of premium-rate phone services. Other services include directory enquiries, weather forecasts, competitions and ratings televoting. Some businesses, e.g. low-cost airlines, and diplomatic missions, such as the US Embassy in London or the UK Embassy in Washington, have also used premium-rate phone numbers for calls from the general public.

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<span class="mw-page-title-main">Telephone numbers in the United Kingdom</span>

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<span class="mw-page-title-main">Telephone numbers in the Republic of Ireland</span>

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<span class="mw-page-title-main">Telephone numbers in Singapore</span>

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<span class="mw-page-title-main">Telephone numbers in Romania</span>

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<span class="mw-page-title-main">Telephone numbers in New Zealand</span> New Zealand numbering plan

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<span class="mw-page-title-main">Telephone numbers in Malaysia</span>

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<span class="mw-page-title-main">Former Australian dialling codes</span>

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<span class="mw-page-title-main">Telephone numbers in Israel</span>

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<span class="mw-page-title-main">Telephone numbers in Belgium</span>

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<span class="mw-page-title-main">Telephone numbers in Georgia (country)</span>

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References

  1. ↑ Telecommunications Numbering Plan – 1944 as amended 4 August 2008
  2. ↑ "Numbers specified for use". Archived from the original on 22 April 2017.
  3. ↑ https://www.acma.gov.au/choose-your-phone-number
  4. ↑ "Telecommunications Numbering Plan Variation 2007 (draft)" (PDF). Archived (PDF) from the original on 29 November 2007. Retrieved 16 October 2007.
  5. ↑ ACMA: Fictitious numbers for radio, books, film & TV Archived 10 October 2013 at the Wayback Machine
  6. ↑ "Australia to assign '05' mobile numbers to prevent run out". Computerworld. 18 July 2012. Retrieved 12 December 2018.
  7. ↑ "Phone numbers for fiction | ACMA". Archived from the original on 28 January 2020.
  8. ↑ "Telecommunications Numbering Plan Variation 2012 (No. 1)". 17 July 2012.
  9. ↑ Telephone numbering plan Archived 14 December 2010 at the Wayback Machine p224
  10. ↑ "Triple Zero (000)". www.triplezero.gov.au. Archived from the original on 26 March 2016. Retrieved 18 August 2016.
  11. 1 2 "Awareness of the 112 emergency number" (PDF). Australian Communications Authority. May 2004. Archived from the original (PDF) on 20 February 2006.
  12. ↑ "Using other emergency numbers". Archived from the original on 27 February 2012.
  13. ↑ "Calling Triple Zero from a mobile | ACMA". Archived from the original on 5 August 2013.
  14. ↑ "smartnumbers.com.au". www.smartnumbers.com.au.
  15. ↑ "New arrangements for mobile calls to 1800 and 13/1300 numbers—consumers set to benefit | ACMA". Archived from the original on 24 May 2018. Retrieved 24 May 2018.
  16. ↑ "The plus (+) sign and international calling".
  17. ↑ Kidman, Angus (27 July 2012). "Telstra's Prices Are Going Up: What You Need To Know". Gizmodo Australia. Retrieved 29 September 2024.
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