If you would like to have your SIM blocked, chat to our support team about it. Click on the green Chat button at the bottom right. Our support team can be reached at the following times:

• Monday through Friday: 9:00 a.m.–8:00 p.m.
• Saturday and Sunday: 10:00 a.m.–7:00 p.m.

You can also contact our support team by phone (fees apply):

• Aus der Schweiz unter 0900 480 000 (CHF 1.50/Anruf)
• From abroad call +41 (0) 44 525 01 21 (charges vary depending on the country you are calling from)