BSNL USSD code

Dial 164 and call or *8888# - to know your Mobile Number

*123# - Balance and validity details

*124*4# -GPRS data balance check ( karnataka, A.P,Kerala..)

*123*1# - SMS local

*123*2# - National sms

*123*5# - Network call

*123*6# - local network call

*123*8# - Night GPRS pack

*123*9# - video call bal

9400024365 - Customer care

M3G to 53733 - To activate 3G

*123*6# -GPRS data Plan (Up west) U can also try from *123*1# -*123*10#