| Office Name | Ambagarathur S.O |
| Pincodes | 609601 |
| Area | Ambagarathur |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | 04368-251534 |
| Office Name | Nallambal B.O |
| Pincodes | 609601 |
| Area | Nallambal |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | Na |
| Office Name | Seithur B.O |
| Pincodes | 609601 |
| Area | Seithur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | Na |