Phone Number Ownership: Who's Calling From Australia?

what phone company owns this number australia

In Australia, mobile phone numbers begin with a 04 prefix, followed by eight digits. Prior to the introduction of mobile number portability in 2001, the telco that owned a number could be identified by the number's xy-digit code. Now, it is more challenging to determine the owner of a phone number. The Australian Communications and Media Authority (ACMA) manages the country's phone number system and assigns numbers to telcos, which then allocate them to customers.

Characteristics Values
Country code +61
National trunk code 0
Mobile indicator 4
Mobile phone number format 04XX XXX XXX
International mobile phone number format +61 4XX XXX XXX
Emergency number 000
Secondary emergency numbers 106 (for hearing impaired with TTY terminal), 112 (international GSM mobile emergency number)
Toll-free prefix 1-800
Seven-digit freecall numbers 180
Local rate numbers or SmartNumbers 13, 1300
Premium mobile services 1900
Number of digits in mobile phone numbers 10
Number of digits in landline numbers 8
Number of digits in national significant number 9 (single-digit area code + local eight-digit number)
Authority responsible for telephone numbers Australian Communications and Media Authority (ACMA)

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Australian mobile numbers begin with 04

Australian mobile phone numbers always begin with 04, regardless of the mobile provider. This is in contrast to phone numbers for landlines, which vary depending on the region and phone company.

The standard Australian mobile phone number format is 04xx-xxx-xxx. The first five digits (04xx-xxx) are the mobile phone provider's prefix, followed by the subscriber's unique six-digit number.

The prefix 04 is followed by a two-digit Mobile Network Code (MNC), which identifies the mobile phone provider. For example, 040x and 041x are prefixes for one provider, while 042x and 043x are prefixes for another.

After the MNC, there is a six-digit Mobile Subscriber Identity Number (MSIN) that is unique to each mobile phone number, making each mobile phone number in Australia 10 digits long, including the initial zero.

It is worth noting that some premium or special service numbers might have a different format, typically starting with 19, followed by eight digits. These are not standard mobile phone numbers and are used for specific services, often with additional charges.

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Landline numbers are eight digits long

Landline numbers in Australia are eight digits long. This is because, historically, Australia used a system of letters associated with the ten digits available on a telephone dial. This meant that there were only 800,000 individual "numbers" in any metropolitan area. This limited capacity led to the need for a seven- or eight-digit numbering system, to allow for more "numbers" within a given area.

The Australian Communications and Media Authority (ACMA) defines and administers telephone numbers in Australia under delegation by the Department of Infrastructure, Transport, Regional Development, Communications and the Arts. ACMA gives phone numbers to telcos, which then give numbers to their customers.

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.

Mobile phone numbers in Australia are generally ten digits long, written as 0A BBBB BBBB or 04XX XXX XXX, where 0A is the optional "area code" (2, 3, 7, or 8) and BBBB BBBB is the subscriber number.

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Numbers starting with 1800 are free to call

The 1800 numbers are ten-digit phone numbers that are commonly used by businesses, organizations, and government agencies to provide a single, memorable point of contact for their customers or constituents across Australia. These numbers are easily recognizable and offer a toll-free method for consumers to connect with the company.

Known as 'freecall' or 'toll-free' numbers, the 1800 prefix indicates that the caller will not be charged for the call. Instead, the cost of the call is paid by the owner or recipient of the number, which is usually a business or organization. This makes 1800 numbers an effective marketing and customer service tool, as it encourages customers to reach out without worrying about call costs.

The absence of charges for callers makes 1800 numbers particularly useful for businesses aiming to provide accessible customer support. It encourages customers to seek assistance without hesitation, fostering a positive customer experience and potentially increasing customer satisfaction and loyalty. This can be especially beneficial for companies looking to establish a strong and responsive relationship with their clients.

Additionally, 1800 numbers offer flexibility and convenience. They are not tied to specific locations, allowing businesses to have a single contact number that can be reached from anywhere in Australia. This means that even if a business relocates, the same 1800 number can be retained, ensuring consistency and ease of communication for customers.

In summary, 1800 numbers provide a valuable avenue for customers to connect with businesses and organizations without incurring call costs. They offer a convenient, accessible, and flexible solution for both the caller and the recipient, fostering improved customer service and satisfaction.

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Numbers starting with 13 or 1300 are local rate calls

Numbers starting with 13 or 1300 are what's known as local rate numbers in Australia. These are also sometimes referred to as 'Australia wide numbers' or 'Australia wide service numbers'. They are non-geographic numbers, meaning they are

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Numbers starting with 1900 are premium services

These premium-rate numbers are often used for interactive mobile services, such as entering competitions, subscribing to ringtones, or participating in TV show votes. The cost of the call is typically shared between the phone company and the service provider, with the revenue generated from the calls funding the service being provided.

It is important to note that these numbers are not owned by any specific phone company, but rather are leased by service providers from the Australian Communications and Media Authority (ACMA). The ACMA regulates these services to ensure they are used appropriately and that consumers are adequately informed about any charges they may incur.

When calling a 1900 number, you will usually hear a recorded message at the beginning of the call, outlining the charges that will be incurred. These charges are typically billed directly to your phone account, appearing on your regular phone bill or deducted from your prepaid credit. It is worth noting that these charges are typically higher than the cost of a standard voice call, and they may vary depending on the specific number and service provider.

Frequently asked questions

Mobile phone numbers in Australia start with 04, followed by eight digits. The first four digits after the 04 indicate the network provider. For example, 04xy zzzz, where xy indicates the network provider.

The ACMA is responsible for defining and administering Australia's phone number system. They allocate phone numbers to telcos, who then assign them to their customers.

Yes, phone numbers starting with 1800 are toll-free. Numbers starting with 13 or 1300 are local rate numbers, which are typically low-cost for the caller.

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