If you have an Andhra bank Saving account, then you can get A/C Balance for maximum three accounts by gibing a missed call to 09223011300 from the registered mobile.
As the Andhra Bank has been merged with Union Bank of India you need to give missed call of Union of India Missed Call Balance Enquiry Number, Please Check this link https://www.techaccent.com/union-bank-india-missed-call-banking-details/
Just give miss call to 09223011300 you will get balance details.
For blocking ATM/Debit card you need to send sms as below:
CARDBLOCK XXXX to 56161 (XXXX means last four digits of Account number)
you need to send above sms from the registered mobile.
Andhra bank helpline or Customer Service number is 18004251515
Andhra bank debit card Customer service number is 18004252910