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 0431 Details and Prefixes
General Details about Area Code 0431
Country Australia
Capital City Canberra
Time Zone UTC+08:00 - UTC+10:00
Phone Type Mobile

Area Code 0431 Prefixes

Prefix Mobile Phone Company
0431760 Optus
0431396 Optus
0431503 Optus
0431259 Optus
0431759 Optus
0431251 Optus
0431217 Optus
0431017 Optus
0431114 Optus
0431019 Optus
0431874 Optus
0431463 Optus
0431641 Optus
0431102 Optus
0431683 Optus
0431878 Optus
0431349 Optus
0431788 Optus
0431057 Optus
0431194 Optus
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