You can now check for account balance for SBI from this SBI official toll free number 9223766666 . You have to just give a missed call on this number from your registered mobile number (mobile number linked in your account is your registered mobile number). After giving missed call you will receive a message showing your account balance.
There are other ways also for checking balance like YONO app, other apps like phone pe,gpay etc. This is a great feature by several banks SBI is one of them. This is known to be SBI mobile missed call banking. SBI account balance check number is 9223766666 .
Check SBI Balance by sending message on
BAL to 09223766666
Generate SBI Mini Statement: MSTMT to 09223866666
Loan Enquiry: HOME or CAR to 09223588888
Full list of services: HELP to 09223588888
Not only balance you can also check various enquiry with help of these. Many times app or net banking and other methods donot work because of server but this has very high chances of working properly.