My SIM has been lost or stolen. September 11, 2019 06:08 Updated Follow If your SIM card has been lost or stolen, contact us immediately so that we can block the SIM and your account from unauthorised use. Call: +61 2 8668 7500 Email: firstname.lastname@example.org Related articles Can I get an invoice/bill? How much does it cost for someone to call me on my TravelSIM? How to dial overseas numbers from my SIM. All about porting and call forwarding. What is overseas credit?