Network Provider
Dial Code
Idea
*789# or *100# or *1# *147# *131# or *131*1#
Vodafone
*555# or *555*0# or *111*2# or *777*0# or *131*0#
Airtel
*140*175 or*140*1600# or *121*9# or *282# *141*123#
Aircel
*1# or *234*4# or *888# or *122*131# or *131#
Reliance
*1# *111#
Bsnl
*1# or *99#
Videocon
*1#
Virgin
*1#
Tata Docomo
*1# or *580# or *124#
Uninor
*444# *555# *1#
BPL or Loop
*222# *1# *001#
MTNL
*8888#
Smart
*1# *111*2#
Virgin
SMS: NUM to 51230 or *1#