1… To check any ufone sim number  dial (*780*3#)

2…To check any mobilink sim number  dial (*99#)

3…To check any telenor sim number  send a blank sms to (7421)

4…To check any zong sim number dial ( *100*1# ) and send it to any other mobile number

5…To check any warid sim number write ( myno) and send to (321)

 

Al-Madina mobiles.