Hi Friends we all have a situation that we have to make a call but there is no money and you don't know phone number of the sim in your mobile and you may feel great difficulty.we can use very codes named USSD codes to get number on your mobile screen.These are very short and easy to remember.To Find Your Own Mobile Number Just dial the following codes. One sim may have different codes.So if you are dialing a code and you are not getting your mobile number on the screen then try another. 01. Idea *789# or *100# or *1# *147# *131# or *131*1# 02. Vodafone *555# or *555*0# or *111*2# or *777*0# or *131*0# 03. Airtel *140*175 or*140*1600# or *121*9# or *282# *141*123# 04. Aircel *1# or *234*4# or *888# or *122*131# or *131# 05. Reliance *1# or *111# 06. Bsnl *1# or *99# or *222# 07. Tata Docomo *1# or *580# or *124# 08. Videocon *1# 09. Virgin