There are 4 post offices under PIN code 621009.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kattukulam B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Poonampalayam B.O | Branch Office | Delivery | Manachanalloor | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Sirupathur B.O | Branch Office | Delivery | Manachanalloor | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Tiruvellerai S.O | Sub Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |