There are 9 post offices under PIN code 621211.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | A.A. College B.O | Branch Office | Delivery | Manachanallur | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | M.Pudupatti B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Mettupatti B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Musiri S.O | Sub Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Parvathipuram S.O | Sub Office | Non-Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Sittalarai B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Thumbalam B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Valavandhi B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Vellalapatti B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |