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 to dial overseas numbers from my SIM. How much does it cost for someone to call me on my TravelSIM? What is overseas credit? Can I get a refund of my unused credit?