This Indian Overseas Bank (IOB) branch is located in ST THOMAS MOUNT in the CHENNAI area in CHENNAI city. Indian Overseas Bank - ST THOMAS MOUNT is the Top bank in Tamil Nadu. If you have your account in this bank then you will probably need its IFSC Code to Transfer Money from other Bank. Its IFSC Code is IOBA0001581. For any help you can visit the branch at and can mention its Branch Code i.e. 001581 or you can contact on .