
Australian mobile numbers are written differently from landline numbers. Mobile numbers in Australia do not have an area code. However, they start with a unique prefix, always begin with a zero in the mobile prefix, and are written in one chunk of 4 digits and then two chunks of 3 digits. For instance, a mobile number in Australia is written as 04xx xxx xxx. When dialling from outside Australia, the country code for Australia, which is 61, is followed by the nine-digit national significant number. Therefore, the international format for an Australian mobile number is +61 4xxxx xxx xxx.
| Characteristics | Values |
|---|---|
| Number of digits in Australian mobile numbers | 10 |
| Australian national trunk access code | 0 |
| Australian country code | 61 |
| Mobile indicator | 4 or 5 |
| International exit code | + |
| Format for international calls to Australian mobiles | +61 4 XXXX XXXX or +61 5 XXXX XXXX |
| Format for local calls to Australian mobiles | 04 XXXX XXXX or 05 XXXX XXXX |
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What You'll Learn

Australian mobile numbers start with 04
When writing an Australian mobile number, it is important to break the number into shorter blocks of digits or "chunks". This makes the number easier to read. For example, a mobile number should be written in one chunk of four digits, and then two chunks of three digits. So, a mobile number in Australia would be written as 04XX XXX XXX.
If you are writing an Australian mobile number for an international audience, the number should be written in the international format. This means that the number would begin with a plus symbol '+', which represents the international prefix. This is followed by the country code for Australia, which is 61. So, for an international audience, an Australian mobile number would be written as +61 4XX XXX XXX.
It is worth noting that there are no area codes for mobile numbers in Australia. When dialling a mobile number in Australia, you must always dial all ten digits, regardless of your location within the country. However, when dialling a landline number in another area, you must dial the trunk code 0, followed by the area code, and then the local number. Landline numbers in Australia have eight digits, including the area code.
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Mobile numbers have 10 digits
Mobile numbers in Australia have 10 digits. They start with a unique prefix and are written in the form 04xx xxx xxx. The first four digits specify the CCA (Call Collection Area, also known as an exchange), and the remaining six digits specify a number at that exchange.
When writing Australian mobile numbers, it's important to consider whether they will be viewed by an international audience. If so, the number should be written in the international format, which includes the country code. The international format for an Australian mobile number is +61 4xx xxx xxx. The '+' symbol represents the international prefix, and '61' is the country code for Australia.
Within Australia, mobile phone numbers always begin with 04, which is a combination of the Australian national trunk code 0 and the mobile indicator 4. This is followed by eight digits. For example, a mobile number in Australia might be written as 04 1234 5678.
When dialling a mobile number within Australia, you do not need to include the initial '0'. Therefore, the number 04 1234 5678 would be dialled as 4123 45678. However, when calling an Australian mobile number from outside the country, the ''0' must be included, along with the international access code and country code. So, to call the number 04 1234 5678 from overseas, you would dial +61 4 1234 5678.
It's worth noting that there are no mobile numbers starting with 05. Mobile numbers in Australia always begin with 04, followed by eight digits, making a total of 10 digits for mobile numbers in the country.
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No area code is needed for mobiles
When writing an Australian mobile number, it is important to note that there is no area code. Mobile numbers in Australia have 10 digits, including the trunk code, which is 0, and the mobile indicator, which is 4. Therefore, mobile numbers are written in the format 04xx xxx xxx.
When dialling a mobile number within Australia, the 0 must be included. However, when calling from outside Australia, the 0 is not used. Instead, the international country code for Australia, which is 61, is used, followed by the mobile number. For example, a mobile number would be written as +61 4xx xxx xxx.
It is also worth mentioning that Australian landline numbers do have area codes. Landline numbers are written with the 2-digit area code followed by the 8-digit local number, which is usually written in two chunks of four digits. For example, a landline number in NSW or the ACT would be written as 02 xxxx xxxx.
When dialling a landline number from within Australia but in a different area, the trunk code 0 must be dialled first, followed by the area code and the local number. However, when dialling a number within the same area, only the 8-digit local number needs to be dialled.
In summary, when writing or dialling Australian mobile numbers, no area code is needed, and the number should be written or dialled as 04xx xxx xxx within Australia or +61 4xx xxx xxx internationally. Australian landline numbers, on the other hand, do have area codes and are written or dialled differently depending on whether the call is local or long-distance.
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International format for mobiles: +61 4 XXXX XXXX
When writing Australian mobile numbers for an international audience, it is important to use the international format. This ensures that your calls get to the right place, no matter where you are calling from.
The international format for Australian mobile numbers is: +61 4 XXXX XXXX. This format includes the country code, area code, and the local number. In this case, the country code for Australia is +61, the area code is 4, and the local number is the remaining eight digits.
It is worth noting that Australian mobile numbers are ten digits long when dialled within Australia, including the trunk code 0 and the mobile indicator 4, followed by eight digits. So, a mobile number in Australia would typically be written as 04XX XXX XXX. However, when writing this number for an international audience, the trunk code 0 is dropped, resulting in the international format of +61 4XX XXX XXX.
The international format for Australian phone numbers is +61 X XXXX XXXX, where +61 is the country code, X represents the area code, and XXXX XXXX represents the local phone number. This format accommodates all types of Australian phone numbers, including mobile and landline numbers, ensuring effective communication within the country and internationally.
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Mobile numbers are divided into 4, 3, 3
When writing Australian mobile numbers, it is important to follow the standard format for ease of reading and use. Australian mobile numbers do not have area codes and are made up of 10 digits. They are written in the form 04XX XXX XXX within Australia, with the trunk code 0 and the mobile indicator 4, followed by eight digits.
When providing an Australian mobile number for an international audience, the international format should be used. This is written as +61 4XX XXX XXX, with the country code for Australia (61) followed by the mobile number.
Australian mobile numbers are written in one chunk of 4 digits and then two chunks of 3 digits. For example, a mobile number could be written as 0401 234 567 or +61 401 234 567 for an international audience.
It is important to note that the trunk code 0 is not used for calls originated from outside Australia. When dialling a mobile number from outside the country, the international access code and country code (61) should be dialled first, followed by the nine-digit national significant number.
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Frequently asked questions
For an international audience, the number should be written as +61 4 XXXX XXXX. Here, the '+' symbol is the international exit code, '61' is the country code, '4' is the mobile indicator, and the remaining eight digits are the local number.
For a domestic audience, the number should be written as 04XX XXX XXX. Here, '0' is the Australian national trunk code, '4' is the mobile indicator, and the remaining eight digits are the local number.
Yes, the area code is important when calling interstate. If you leave it off, the system defaults to local area numbers, which may not reach the intended recipient.











































