The  account balance  enquiry number SBI   is  09223766666     Make use of any of the following numbers-   1800112211   or   18004253800 . In case these numbers don’t work, please also note down the below mentioned   new numbers (SBI Quick Service) –   In order to register for this service, SBI customers need to   register first . This can be done by sending an   SMS . The format is-   REG<space>your account number . Send this SMS from registered mobile number to   09223488888 .  Bank will notify users as soon as registration for the service is complete via confirmation SMS! Now for balance enquiry  by missed call, use this number-   09223766666 .    For obtaining mini statement via missed call, use this number-   09223866666