APN for Mobile Services

Most devices never need to have these settings entered manually, but if you can't get online, please check your device's user manual, setup guide or the manufacturer's website for support information on accessing the mobile broadband settings.


Mobile Broadband General Settings

If required, the authentication protocol is CHAP and the Access number is *99# for all providers and services listed here.

You may also need to enter your Mobile Broadband username and password to get online.

Provider/SIM Carrier
Westnet 4G connect
Westnet 3G* 555a1

*If the APN “555a1” doesn’t work for Westnet 3G, please try “splns555a1” instead, noting that the third letter of that code is a lower case “L” as in “local”.


Mobile Voice APN Settings

Most smartphones will be able to automatically figure out your APN based on the carrier of your SIM card, and you won't need (or be able) to adjust this setting.

Provider/SIM Carrier
Westnet Mobile Voice internet


Help! My device only lets me choose from certain carriers!

Some devices require you to select a carrier from a list, and you may not see Westnet listed amongst the providers listed. Simply choose our wholesaler: Optus.