To Know your Number mobile number:
Dial below numbers to see your mobile number on your mobile screen
RELIANCE GSM ----- *1#
AIRCEL dial ------ *888# or *1#
Docomo ------ *1# or *124# (only Mumbai)
Airtel ----- *140*6575# (instead of showing your mobile number directly, you will receive a call from your number itself)
Or
Send IM to 57070. (Toll free) then you will get a link.. Your mobile number will be in that link. Don’t Click on link you will get charged Rs.6
Or
Send IM to 57070. (Toll free) then you will get a link.. Your mobile number will be in that link. Don’t Click on link you will get charged Rs.6
Idea ----- *789#
Vodafone -----*555#
Loop ----- *222#
**The codes that are given in the above for different mobile networks works fine almost all states in India for free. But in some states the service may not implemented or may impose some cost by network provider. Try this at your own Risk.