All Sim Number Check Code..

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# or *222#
Tata Docomo	*1#  or *580# or *124#
Videocon	*1#
Virgin	SMS:  NUM to 51230 or *1#
Uninor	*555# *1# *444#
Loop	*222# *1# *001#
MTNL	*8888#
Smart	*1# *111*2#
BPL	*222# *1# *001#