With the USA SIM Card you get a new USA mobile number.
If you want someone to call you (from within the USA or from back home) they need to call your USA mobile number.
If you want to continue to receive calls on your Australian mobile number, you have a few options, set out below:
Option 1 - Divert your Australian mobile number to your USA mobile number and continue to receive voice calls
You will pay Telstra, Optus, Vodafone etc a per minute diversion cost to divert your Australian mobile to your USA SIM Card. You will need to ask your network provider to find out how much this will cost.
This will only work to divert voice calls. Text messages cannot be diverted. But you can insert your Australian sim card into your phone when you're in the USA to collect your Australian phone texts, and then re-insert your USA sim card and reply to those texts from your USA SIM card.
There's no additional cost on your USA SIM Card, but you will pay your Australian network provider a per minute diversion cost on your Australian mobile bill.
Option 2 - Get a "Follow Me" number
If receiving calls on your Australian mobile is very important, we also can offer to you a "Follow Me" number.
We rent you a virtual Sydney (02) landline number for the duration of your trip which diverts to your USA mobile number. When you leave for the USA, you divert your Australian mobile to your "Follow Me" number:
Your Australian mobile number ---> Your "Follow Me" number --> Your USA mobile number
eg
0404 123 456 --> 0299801234 --> 408-123-4567
To find out more about a "Follow Me" number please click here.
Option 3 - Take a second phone
You may also just wish to take with you a cheap second phone into which you place your Australian sim card.