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
0431526 Optus
0431835 Optus
0431962 Optus
0431914 Optus
0431151 Optus
0431939 Optus
0431035 Optus
0431497 Optus
0431261 Optus
0431590 Optus
0431944 Optus
0431124 Optus
0431034 Optus
0431008 Optus
0431889 Optus
0431730 Optus
0431003 Optus
0431267 Optus
0431867 Optus
0431442 Optus
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