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Find SIM number - To know PUK number

SIM number and PUK number are entirely different. A basic understanding of these numbers would be helpful in critical situations.

SIM number :
  • There are two kinds of services provided by most of the mobile networks across the world.
  • GSM and CDMA.
  • If you are a GSM subcriber, then your mobile network will provide a SIM card , in which a SIM number which consists of 10 to 20 digits will be printed.
  • If you locked your PIN number or trying to retrieve PUK code for your SIM card , some mobile networks will ask for the SIM number to retrieve the PUK code. 
         Click here to know PUK number.

How to find your SIM number :
  1. Switch off your mobile phone
  2. Remove your phone back cover
  3. Remove the battery
  4. Carefully take out the SIM card from SIM card slot.
  5. In your SIM card, you can see a 20 digit number is printed as shown in the below image.
  6. Note it down somewhere , and use it whenever necessary.
SIM number finder