The first four characters (ANDB) represents that it belongs to Andhra Bank. The fifth character (0) is reserved for future use. The last 6 characters (001886) represents that it belongs to Gomti Nagar branch in district Lucknow of Uttar Pradesh.
IFSC code (ANDB0001886) can be found on the front page of the account holder's passbook or in cheque leaf. You can also verify the same by contacting bank authority of Andhra Bank since data here could be outdated.
Gomti Nagar branch of Andhra Bank is in Uttar Pradesh state of India.
3/81, PATRAKARPURAM, VINAY KHAND, GOMTI NAGAR, LUCKNOW 226010