Union Bank Fastag Customer Care Number by Contents hide 1 Union Bank Fastag Customer Care Number 1.1 1800-258-6400 Union Bank Fastag Customer Care Number Union Bank Fastag Customer Care Number1800-258-6400 Read More about Fastag:FASTAG ISSUING BANKS LISTHOW FASTAG WORKS? KNOW FASTAG RELATED INFORMATIONFASTAG – ALL YOU WANTED TO KNOW ABOUT ITTweetSharePinShare0 Shares