Mobile phone numbers begin with 04, followed by eight digits. e.g. 04yy yxx xxx. The y-digit codes are allocated per network, although with the introduction of number portability, there is no longer a fixed relationship between the mobile phone number and the network it uses. New numbers are still allocated to phone companies in blocks, so a new number will generally still be on its "home" network.

Within Australia, mobile numbers must always be dialed with all 10 digits, no matter where they are being called from. 04 is a prefix, not an "area code", as such.

 

Area Code 0403 Details and Prefixes
General Details about Area Code 0403
Country Australia
Capital City Canberra
Time Zone UTC+08:00 - UTC+10:00
Phone Type Mobile

Area Code 0403 Prefixes

Prefix Mobile Phone Company
0403844 Optus
0403453 Optus
0403806 Optus
0403839 Optus
0403485 Optus
0403117 Optus
0403790 Optus
0403136 Optus
0403183 Optus
0403837 Optus
0403937 Optus
0403067 Optus
0403040 Optus
0403529 Optus
0403341 Optus
0403960 Optus
0403370 Optus
0403868 Optus
0403760 Optus
0403764 Optus
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