| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Kuttalam |
| Branch CODE | 000045 (Last 6 Characters of the IFSC Code) |
| Phone | 234226 |
| ifsc | IOBA0000045 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Mayiladuthurai |
| Branch CODE | 000057 (Last 6 Characters of the IFSC Code) |
| Phone | 223212 |
| ifsc | IOBA0000057 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Nagapattinam |
| Branch CODE | 000062 (Last 6 Characters of the IFSC Code) |
| Phone | 242290 |
| ifsc | IOBA0000062 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Sirkali |
| Branch CODE | 000083 (Last 6 Characters of the IFSC Code) |
| Phone | 270565 |
| ifsc | IOBA0000083 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Vaitheeswaran Koil |
| Branch CODE | 000206 (Last 6 Characters of the IFSC Code) |
| Phone | 279427 |
| ifsc | IOBA0000206 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Nagapattinam |
| Branch | Thirumullaivasal |
| Branch CODE | 000224 (Last 6 Characters of the IFSC Code) |
| Phone | 264426 |
| ifsc | IOBA0000224 |