There are 8 post offices under PIN code 621003.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alathudayanpatti B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | B.Mettur B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Balakrishnampatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Kottapalayam S.O | Sub Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Maradi B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Nettavelampatti B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Pachaperumalpatti B.O | Branch Office | Delivery | Turaiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Viswambalsamudram B.O | Branch Office | Delivery | Thuraiyur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |