Check OWN Moblie Number Tricks

          Docomo Sim Card for Press this Keys : *580#     
              
          Airtel Sim Card for Press this Keys : *121*9# and  Send sms IM to 57070  or *140*1600#

          Reliance Sim Card for Press this Keys : *1# and *111#

          Vodafone : *777*0# and *111*2#

          Bsnl : *1# and Call 24365 and ask them

          ideas : *1# and *100# or *789#

          Aircel : *888# and *#1#888#

          Virgin Mobile : *1#

          Videocon : *1#

          Bpl-*222#