Unfortunately the Australia Post TravelSim phone number is not a USA number. The Australia Post TravelSim allocates a mobile number from the country of Estonia to their sim cards. The mobile number looks something like 372 5711 1234 (372 is the country code of Estonia).
Calls and SMS to Estonia are not included in any of the USA sim card plans.
To call Estonia will cost $0.96/min and sending SMS will cost $0.25/SMS and is not included in your plan. You will need to add additional credit to your sim card to call or SMS Estonia.
To do this, go to our website recharge page and purchase extra phone credit at the bottom..
Recharges may take several hours to be added to your account and please note that recharges purchased between 4am to 2pm (Los Angeles time) or between 7am to 5pm (New York time) will not be processed until after 3pm (Los Angeles time) or after 6pm (New York time).