IOB Branches in Kottayam GPO
| Branch | KOTTAYAM |
| Branch Code | 000040 |
| Bank | Indian Overseas Bank |
| Address | OOPOOTTIL BUILDING K K ROAD KOTTAYAM |
| Zip Code | 686001 |
| IFSC Code | IOBA0000040 |
| Branch | NAGAMPADAM |
| Branch Code | 001962 |
| Bank | Indian Overseas Bank |
| Address | ST.ANTONY'S COMPLEX, NAGAMPADAM, KOTTAYAM |
| Zip Code | 686001 |
| IFSC Code | IOBA0001962 |
| Branch | KOTTAYAM - T B ROAD |
| Branch Code | 002138 |
| Bank | Indian Overseas Bank |
| Address | BUILDING NO 13/536, FIRST FLOOR, MUTHOOT CROWN PLAZA, T B ROAD, KOTTAYAM |
| Zip Code | 686001 |
| IFSC Code | IOBA0002138 |
