MSISDN

Bsnl 2G 3G
*123# bal chk
*123*1# sms local
*123*2# natinal sms
*123*3# 
*123*3#
*123*4#
dnt remb pls chk it
*123*5# net cal
*123*6# local net cal
*123*7#
dnt remb pls chk it
*123*8#
night gprs pack
*123*9# vdo bal
*123*10# gprs bal

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State : HARYANA
Operator : DOCOMO
.
Balance: *111#
.
For Activating daily/weekly/new services/Internet Packs: *141#
.
Detail Of Any Service Activted,Internet Free usage left: *191*3#
.
More Info : *191#

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Reliance 

1. own no - *1#
2. Balance - *367#
3. Recharge - *368#
4. Special Packs - *777#
5. Caller Tunes - *999#
6. Packs - *123# , *321#
7. Free Net - *123*099#

-----------------------------------

Chhattisgarh Airtel gprs
*567*1# for 10rs unlimited gprs for 1 day
*567*19# for deactivate mobile office
*567*6# 1 month unlimited sms pack
*567*11# default 30p/50kb plan

-----------------------------------------------------

State:kerala
0perator:vodafone

Check main bal *141#
To activate gprs/sms plan *555#
To know free sms bal *142#
To know calling bal *145#

---------------------------------------------------------

State:WEST BENGAL
VODAFone: *111# for last 3 deduction. Last 3 recharge. My offer etc. *444# for daily plans.
Airtel: *321# for airtel live. *222# for daily packs. *567# for MO act/deact.*121*11# for my airtel my offer. *121*5# to stop a service &*121*4# to start a service. *555# for NOP act/deact. *111# for validity of special tariff.