There are 8 post offices under PIN code 612803.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Devangudi B.O | Branch Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kalacheri B.O | Branch Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kalanjimodu B.O | Branch Office | Delivery | Mannargudi | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Kilapattu B.O | Branch Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Melalavandaseri B.O | Branch Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Puvanur S.O | Sub Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Rajappayyanchavadi B.O | Branch Office | Delivery | Mannargudi | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Rayapuram B.O | Branch Office | Delivery | Nidamangalam | Tiruvarur | Thanjavur | Tiruchy | Tamil Nadu | Tamilnadu |