IOB Branches in Chennai GPO
| Branch | MUTHIALPET |
| Branch Code | 000305 |
| Bank | Indian Overseas Bank |
| Address | 230, THAMBU CHETTY STREET, CHENNAI |
| Zip Code | 600001 |
| IFSC Code | IOBA0000305 |
| Branch | CHENNAI - GEORGE TOWN |
| Branch Code | 002053 |
| Bank | Indian Overseas Bank |
| Address | CATHOLIC CENTRE, N NO 108, ARMENIAN STREET, GEORGE TOWN, CHENNAI |
| Zip Code | 600001 |
| IFSC Code | IOBA0002053 |
| Branch | TRANSACTION BANKING DEPT |
| Branch Code | 009072 |
| Bank | Indian Overseas Bank |
| Address | 762, 763 ANNA SALAI, CHENNAI |
| Zip Code | 600001 |
| IFSC Code | IOBA0009072 |
