There are 3 post offices under PIN code 609609.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kottuchery S.O | Sub Office | Delivery | Kottucherry Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 2 | Tiruvettakudi B.O | Branch Office | Delivery | Kottucherry Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |
| 3 | Varichikudi B.O | Branch Office | Delivery | Kottucherry Commune Panchayat | Karaikal | Nagapattinam | Tiruchy | Pondicherry | Tamilnadu |