
Australia's country code is 61. This is followed by a nine-digit national significant number, which consists of a single-digit area code and an eight-digit local number. When calling from within Australia, the Australian trunk prefix '0' is used, followed by the area code. However, when dialling from outside Australia, the country code '61' is used instead.
| Characteristics | Values |
|---|---|
| Country Code | 61 |
| International Access Code | 00 |
| National Trunk Access Code | 0 |
| Mobile Number Indicator | 4 |
| Landline Number Digits | 10 |
| Mobile Number Digits | 10 |
| Emergency Number | 000 |
| Secondary Emergency Number | 112 |
| Freecall Prefix | 1800 |
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What You'll Learn

Australia's country code is 61
When writing an Australian phone number for an international audience, the country code is preceded by a + symbol, e.g. +61 x xxxx xxxx. This is known as the international format.
Within Australia, mobile phone numbers are ten digits long and begin with 04, which is made up of the Australian national trunk code 0, and the mobile indicator 4. This is generally written as 04XX XXX XXX within Australia, or as +61 4XX XXX XXX for an international audience.
Landline numbers in Australia are written in the form xxxx xxxx, with eight digits. When dialling a landline number in another area of Australia, the number is preceded by the Australian trunk prefix 0 and the area code: 0x xxxx xxxx.
The Australian national trunk access code, 0, is not used for calls originating from outside Australia.
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Australian landline numbers have 10 digits
Australia's country code is +61. This is used for calls from abroad. When calling an Australian number from outside the country, you need to dial the international country code (+61), followed by a nine-digit national significant number.
For example, when calling a Sydney landline number 1234 5678 from outside Australia, you would dial +61-2-1234 5678. The '+61' is the country code, '2' is the area code for Sydney, and '1234 5678' is the local number.
The format for writing Australian landline numbers within the country is a 2-digit area code, followed by two chunks of 4 digits. For example, 02 1234 5678. When writing Australian landline numbers for an international audience, the international format should be used, which includes the plus symbol '+' followed by the country code. For example, +61 2 1234 5678.
It is important to note that the Australian national trunk access code '0' is not used for calls originating from outside Australia.
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Australian mobile numbers have 10 digits
Australia's country code is 61. When calling an Australian phone number from outside the country, you need to dial +61 and then the phone number.
When writing mobile numbers for an international audience, the number is written as +61 4XX XXX XXX. The Australian national trunk access code, 0, is not used for calls originating from outside Australia.
The country code for Australia, 61, is followed by a nine-digit national significant number when dialling from outside the country. The national significant number consists of a single-digit area code followed by the local eight-digit number.
The format for mobile numbers is a result of mobile carriers advertising numbers in a way that clearly identifies the owning telco before mobile number portability was introduced on 25 September 2001. Since the introduction of number portability, there is no longer a fixed relationship between the mobile phone number and the network it uses.
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The Australian trunk prefix is 0
The Australian trunk prefix is "0." This prefix is used to make long-distance telephone calls within Australia and is a vital part of the country's telephone numbering plan. The trunk prefix is often referred to as the "long-distance dial code" or simply the "area code." It is a vital component of Australia's telephone system, facilitating connections between different geographic areas and telephone exchanges. Before dialing a local telephone number, Australians must first dial this prefix.
This prefix is dialed before the telephone number when making a long-distance call within Australia. For example, to call a number in Sydney from another part of the country, one would first dial 02, followed by the telephone number. This prefix is used for both landline and mobile phone numbers. It allows telephone exchanges to identify the call as a long-distance one and route it accordingly.
The trunk prefix system in Australia was introduced in the 1960s to streamline long-distance calling. Before this, long-distance calls were manually connected by operators, which was a time-consuming and inefficient process. With the introduction of the trunk prefix, callers could directly dial long-distance calls, improving speed and convenience.
Over time, the usage and format of the trunk prefix have evolved. With the introduction of mobile phones and new telephone exchange technologies, the prefix system has been adapted to accommodate these changes. Today, it remains an essential element of Australia's telecommunication infrastructure, ensuring efficient and effective long-distance communication.
It's important to note that the trunk prefix is not the same as an international dialing code. When calling Australia from another country, the international country code of +61 must be used, followed by the telephone number. Conversely, when calling overseas from Australia, callers must dial 0011 followed by the country code and telephone number.
Understanding the Australian trunk prefix is essential for both locals and visitors to the country. It allows for seamless long-distance communication within Australia, connecting people across vast distances. Whether for personal or business use, knowledge of the trunk prefix ensures efficient and successful telephone calls.
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The international prefix is a '+' symbol
When calling any number in Australia from outside the country, the appropriate international access code must be dialled first, followed by the country code for Australia, which is 61. This is then followed by the nine-digit national significant number.
The international prefix, represented by the '+' symbol, is used to indicate that a number is not domestic. This is followed by the country code and the national significant number. Therefore, when calling Australia from abroad, the number should be formatted as +61 x xxxx xxxx for landlines and +61 4xx xxx xxx for mobile numbers.
The '+' symbol is a universal code recognised internationally, and its use is standardised across many countries. This symbol is used to replace the international access code, which varies depending on the country from which the call is being made. For example, in the US, the international access code is 011, whereas, in the UK, it is 00. Using the '+' symbol ensures that calls are dialled correctly, regardless of the country from which the call is placed.
The '+' symbol is also used when writing Australian phone numbers for an international audience. This is done to ensure that the number is easily recognisable as an international number and to avoid confusion with domestic numbers. For example, an Australian mobile number written for an international audience would be formatted as +61 4XX XXX XXX.
The use of the international prefix and country code is essential when calling Australia from another country. It ensures that calls are correctly routed through the appropriate international gateways and telephone networks. Without the correct prefix and country code, a call may not connect, or it may connect to an incorrect number or location. Therefore, it is always important to include the '+' symbol when dialling or writing an Australian phone number from outside the country.
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Frequently asked questions
The country code of Australia is 61.
To call a landline in Australia, first dial the international access code of the country you are calling from. Then, dial Australia's country code, 61, followed by a single-digit area code and the local eight-digit number.
Dial the international access code of your country, followed by Australia's country code, 61, and then the mobile number. Australian mobile numbers have 10 digits, including the country code and start with 04.




































