How to know own SIM number of BD operators (GP, Banglalink, Airtel, Robi & Teletalk)

Sometimes we forget our own number. To find out own sim mobile number of all mobile phone (bd) operators  (GP, Robi, Airtel, Banglalink & Teletalk) just follow very simple step:



 For GP /Grameenphone [017] SIM dial:    *2#



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