| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Thoothkudi |
| Branch | Harbour |
| Branch CODE | 000143 (Last 6 Characters of the IFSC Code) |
| Phone | 2352281 |
| ifsc | IOBA0000143 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Thoothkudi |
| Branch | Kamudi |
| Branch CODE | 000240 (Last 6 Characters of the IFSC Code) |
| Phone | 223248 |
| ifsc | IOBA0000240 |
| Bank | Indian Overseas Bank |
| State | Tamil Nadu |
| District | Thoothkudi |
| Branch | Mappillaiurani |
| Branch CODE | 001218 (Last 6 Characters of the IFSC Code) |
| Phone | 2345831 |
| ifsc | IOBA0001218 |