| Post office | Tirunallar S.O |
| Pin code | 609607 |
| Office type | S.O |
| Taluk / city | Karaikal |
| District name | Karaikal |
| State name | Pondicherry |
| Delivery status | Delivery |
| Division name | Nagapattinam |
| Region name | Tiruchy |
| Circle name | Tamilnadu |
| Related sub office | NA |
| Related head office | Nagapattinam H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 609607 | Tirunallar S.O | Karaikal | Karaikal | Pondicherry |
| 609607 | Vizhithiyur B.O | Neravy Commune Panchayat | Karaikal | Pondicherry |
| 609607 | Karukkangudi B.O | Thirunallar Commune Panchayat | Karaikal | Pondicherry |
| 609607 | Sellur B.O | Thirunallar Commune Panchayat | Karaikal | Pondicherry |
| 609607 | Surakudi B.O | Thirunallar Commune Panchayat | Karaikal | Pondicherry |