There are 5 post offices under PIN code 621004.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kilakunnupatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kottathur S.O | Sub Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Muthiyampalayam B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Naduvalur B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | T.Sathanur B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |