There are 6 post offices under PIN code 621210.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alagapuri B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Angiyam B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kargudi B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Karikali B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Mettupalayam S.O | Sub Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Pillapalayam B.O | Branch Office | Delivery | Musiri | Tiruchirappalli | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |