How to find your SIM card number

In this practical tip, we will show you how to find out your SIM card number.

SIM card number - where can you find it?

Most mobile operators have now saved your SIM card number, but this can still be used for identification.

• The SIM card number is equal to a serial number. It is only assigned once worldwide and can be clearly assigned.
• A 15- to 20-digit combination of numbers and letters can be found on the front of each SIM card. With normal SIM cards, the SIM card number is located directly next to the chip. The number is on the back of small micro SIM cards.
• You received your SIM card together with a letter. The SIM card number is also noted here.

In the next practical tip, we will show you how to block your SIM card if it is lost.