There are 5 post offices under PIN code 609607.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Karukkangudi B.O | Branch Office | Delivery | Thirunallar Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 2 | Sellur B.O | Branch Office | Delivery | Thirunallar Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 3 | Surakudi B.O | Branch Office | Delivery | Thirunallar Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 4 | Tirunallar S.O | Sub Office | Delivery | Karaikal | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 5 | Vizhithiyur B.O | Branch Office | Delivery | Neravy Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |