Swisscom: Block lost SIM card - how it works

If you have lost your cell phone, you should have the SIM card blocked immediately. In this practical tip, we explain how this works at Swisscom.

Mobile phone away - have your SIM card blocked by Swisscom

If you lose or steal your SIM card, you can have it blocked by Swisscom in two ways:

• Contact the Swisscom Customer Center online immediately and report the loss of your SIM card. To do this, you have to log in with your access data.
• Alternatively, you can contact the Swisscom service staff by telephone from Switzerland on the free number 0800 55 64 64 and arrange for the block. If you call from Germany, you must dial the toll-free number +41 62 286 12 12. The service is available around the clock.

Read also how you can have the SIM card blocked by the mobile operator Tchibo.