Leslie Massey
Australian phone numbers have evolved from three to five digits in the early 20th century to a maximum of 10 digits today. The country's numbering system has gone through significant changes, including the introduction of two-digit area codes in the 1950s, the National Numbering Plan in the 1960s and 1970s, and the transition from an alphanumeric system to the current system between 1994 and 1998. Currently, Australian phone numbers consist of a country code (+61), an area code, and a local number. Landlines have a two-digit area code and an eight-digit local number, while mobile numbers have no area code and are 10 digits long.
| Characteristics | Values |
|---|---|
| Number of digits in Australian phone numbers | Up to 10 |
| Landline numbers | 2 digits for the area code and 8 digits for the rest of the number |
| Mobile numbers | 10 digits with no area code |
| International format | +61 followed by the country code, area code, and local number |
| Country code | +61 |
| Area code | 2-4 digits depending on the state or territory |
| Local number | Remaining digits after the country and area codes |
| Special service numbers | 13 numbers have 6 digits |
| Satellite services | Numbers beginning with 0145 |
| National significant number | 9 digits |
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What You'll Learn
Australian phone numbers have 10 digits
Australian phone numbers have a country code of +61, followed by a varying number of digits depending on the type of phone number. Mobile phone numbers in Australia have 10 digits, with the first digit typically being a '4', indicating that the number is for a mobile phone. For example, a mobile number in Melbourne might be 0412 345 678, where '0412' is the area code and '345 678' is the local number.
Landline numbers in Australia have 2 digits for the area code, followed by 8 digits for the rest of the telephone number, making 10 digits in total. For example, a landline number in Sydney, New South Wales, could appear as (02) 1234 5678, with '02' being the area code and '1234 5678' being the local number.
It is important to note that the area code in Australian phone numbers designates the specific region or city, such as Sydney (02) or Melbourne (03). When dialling a local or long-distance number in Australia, the area code must be included to ensure the call reaches the correct destination.
In the early 20th century, Australian phone numbers were simpler, ranging from 3 to 5 digits, and were managed by manual switchboards. However, as the population grew, a more structured system was required, leading to the introduction of two-digit area codes in the 1950s. The evolution of the Australian phone number system continued with the implementation of the National Numbering Plan in the 1960s and 1970s, bringing uniformity and improved call management nationwide.
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The country code for Australia is +61
Australian phone numbers have a clear structure that includes a country code, an area code, and a local number. The country code, +61, is followed by a varying number of digits depending on the type of phone number. For landlines, the country code is followed by a 2-digit area code and an 8-digit local number. This means that landline phone numbers in Australia have a total of 10 digits. For example, a landline number in Sydney, New South Wales, could appear as (02) 1234 5678, with '02' being the area code and '1234 5678' being the local number.
Mobile numbers in Australia also typically have 10 digits. However, unlike landlines, mobile numbers do not have an area code. Instead, the first digit is usually a '4', indicating that it is a mobile number. For instance, a mobile number in Melbourne might be 0412 345 678, where '0412' is the local number prefix and '345 678' is the local number.
It is worth noting that there are some exceptions to the standard 10-digit mobile and landline numbers in Australia. For example, ''13' numbers have 6 digits, and numbers beginning with '0145' are used for services on the Optus network, specifically for MobileSat and Thuraya mobile satellite services.
The evolution of the Australian phone number system has seen significant changes. In the early 20th century, Australian phone numbers were simple, ranging from 3 to 5 digits, and were managed by manual switchboards. As the population grew, the need for a more structured system arose, leading to the introduction of two-digit area codes in the 1950s. The National Numbering Plan, implemented in the 1960s and 1970s, brought further uniformity and improved call management nationwide. The allocation and reorganization of telephone numbers in Australia transitioned from an alphanumeric system to the current numbering system between 1994 and 1998.
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Australian landline numbers have 2-digit area codes
The Australian landline number system has a specific structure that includes a country code, an area code, and a local number. The country code for Australia is '+61'. The area code designates the specific region or city, such as Sydney or Melbourne, and is essential for ensuring that calls are routed to the correct destination.
The area code is generally enclosed within parentheses and is 2 to 4 digits long, depending on the state or territory. For example, a landline number in Sydney, New South Wales, could be written as (02) 1234 5678, with '02' being the area code and '1234 5678' being the local number.
When dialling a local or long-distance number within Australia, the area code must be included. For instance, when calling a landline number in another area code, the format would be 0x xxxx xxxx, where '0' is the Australian trunk prefix, 'x' is the area code, and 'xxxx xxxx' is the local number.
It is important to note that Australian landline numbers have a total of ten digits, including the area code. This is in contrast to mobile numbers, which do not have area codes and are always ten digits long.
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Mobile numbers in Australia start with '04'
Mobile numbers in Australia start with 04, followed by eight digits. This is the general format: 04XX XXX XXX. When written for an international audience, the number is preceded by the country code for Australia, 61, and is formatted as +61 4XX XXX XXX.
The 04 prefix is the Australian national trunk code, and the number 4 indicates that the service required is a mobile number. The 04 prefix is also used for satellite phones, which previously used the 014 prefix.
The 04 range was expected to be exhausted by 2017, and the ACMA planned to introduce the "05" range for mobile numbers. However, as of 2024, no such numbers have been introduced.
All phone numbers in Australia are 10 digits long, including landlines, which have an area code at the front. When dialling a mobile number within Australia, the 0 must be included.
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Australian phone numbers used to be alphanumeric
Australian phone numbers have no more than 10 digits. Landlines have 2 digits for the area code, followed by 8 digits for the rest of the number. Mobile numbers have 10 digits, with no area code.
Up until the 1960s, Australian phone numbers used to be alphanumeric. 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. 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). 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).
The use of a letter-number combination 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. The alphanumeric system was transitioned to the current numbering system between 1994 and 1998.
Today, Australian mobile numbers always begin with 04, which is 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.
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Frequently asked questions
Australian phone numbers have no more than 10 digits. Landlines have 2 digits for the area code and 8 digits for the rest of the number. Mobile numbers have 10 digits, with no area code.
The country code for Australia is +61.
To dial an Australian number from outside the country, use the international format of +61, followed by the area code and local number. For example, for a landline number in NSW or the ACT, the number would be +61 2 5550 4321.
