Airtel

Mobile Operator Codes /USSD Codes for Mobile Operators

Airtel
*140*6575# by dialing this you will recieve a call from your number itself use it to know your number.(not sure abt it whether it works everywhere)
Do Not Disturb ‐ Regisitration or deregistration SMS “DND” to 121or 1909
For MOBILE INTERNET Internet settings sms MO to 543210
To stop any service Activated on your mobile type " STOP " and send to 121
Delhi
*222*2# - Airtel to Airtel 30 paise call 24hr. 5Rs
*678# - AIRTEL ACT & DEACT Hello Tune ALL CIRCLE working roaming Area
*123*11# - Show your ALL Balance
*567*2# - Net On Phone, NOP
*321# - Airtel live Packs

West Bengal
121 - Customer care
*123# - Balance and validity details
*121# - Airtel services
*123*10# - GPRS data balance check, for Mumbai & Orissa circles the no. is *123*6# & for Maharastra circle its *123*7#
Chhattisgarh
GPRS related:
*567*1# - Rs.10 unlimited GPRS for 1 day
*567*19# - To deactivate mobile office
*567*6# 1 - Month unlimited sms pack
*567*11# - default 30p/50kb plan
Maharashtra
*123*8# - airtel to airtel night balnc
*123*5# -local & national sms
*121# - for value added services
*123*6# - GPRS data balance check in mumbai rest Maharastra circle its *123*7#