| Office Name | Dharmapuram B.O |
| Pincodes | 609602 |
| Area | Dharmapuram |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | Na |
| Office Name | Karaikal Bazaar S.O |
| Pincodes | 609602 |
| Area | Karaikal Bazaar |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | 04365-242055 |
| Office Name | Karaikal S.O |
| Pincodes | 609602 |
| Area | Karaikal |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | 04368-222419 |
| Office Name | Karaikal South S.O |
| Pincodes | 609602 |
| Area | Karaikal South |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | 04365-242055 |
| Office Name | Madagadi B.O |
| Pincodes | 609602 |
| Area | Madagadi |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Nagapattinam |
| Postal Region | Tiruchy |
| District | Karaikal |
| State | Pondicherry |
| Telephone No. | Na |