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
0403862 Optus
0403537 Optus
0403892 Optus
0403249 Optus
0403381 Optus
0403340 Optus
0403924 Optus
0403964 Optus
0403076 Optus
0403018 Optus
0403727 Optus
0403550 Optus
0403367 Optus
0403004 Optus
0403507 Optus
0403108 Optus
0403690 Optus
0403386 Optus
0403127 Optus
0403865 Optus
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