Robi
Balance Check : *222#
Show SIM Number : *140*2*4#
Package Check : *140*14#
Minute Check : *222*3#
SMS Check : *222*11#
MMS Check : *222*13#
Data (MB) Check : *222*81# , 8444*88#
Net Setting Request : *140*7#
Miss Call Alert (On) : Type ON & Send to 8272
Miss Call Alert (Off) : Type OFF & Send to 8272 .