There are 9 post offices under PIN code 621001.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Baderpettai B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Erakudi S.O | Sub Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kottaiyur B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Nagamanaickenpatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Reddiapatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Sangampatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Senappanallur B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Sirunavalur B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Vishalakshi Ammal Samudram B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |