There are 4 post offices under PIN code 621209.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alagarai B.O | Branch Office | Delivery | Thottiam | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Manamedu S.O | Sub Office | Delivery | Thottiam | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Srinivasanallur B.O | Branch Office | Delivery | Thottiam | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Thiruvengimalai B.O | Branch Office | Delivery | Thottiyam | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |