There are 6 post offices under PIN code 621213.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cholanganallur B.O | Branch Office | Delivery | Manachanalloor | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kilianallur B.O | Branch Office | Delivery | Manachanalloor | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Pukkathurai B.O | Branch Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Sennakarai B.O | Branch Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Sirugambur S.O | Sub Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Todaiyur B.O | Branch Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |