How to check 3G/2G Data Balance, and Tariff packs validity in Airtel ?

At present there are many telecom operators catering mobile services to the customers in India. Now checking balance and tariff details become easier with the launch of new services and technologies like Unstructured Supplementary Service Data (USSD) & SMS services to check Instant Balance and validity. There is a code provided for each operation, but it is difficult to remember code for every operator for the users. Here is the list of codes to check balance and tariff validity details in Airtel India.

• Dial *123# check account balance or Call 123 and Follow Instruction to Know Your Balance

• Check expiry date *124#

• Check SMS balance dial *123*2#

• 2G Balance - *123*10#

• 3G Balance - *123*11#

• Tariff validity - *111#

• Daily pack (offer) - *222# (50MB/70SMS/50Night mins/10 Local or STD mins for Rs.5)

• Mobile Internet Packs - *567#

Alternately you can access to your account details, validity and special offer by sending a SMS "Airtel" to 121 (Tollfree) and select the appropriate option with your reply.

# The codes mentioned above may not work  for some regions and may differ accordingly.