There are 7 post offices under PIN code 612101.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Aduthurai Bazar B.O | Branch Office | Non-Delivery | Tiruvidamarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Aduthurai S.O | Sub Office | Delivery | Kumbakonam | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Avaniapuram B.O | Branch Office | Delivery | Thiruvidaimarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Govindapuram B.O | Branch Office | Delivery | Tiruvidamarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Maruthuvakudi B.O | Branch Office | Non-Delivery | Tiruvidamarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Melaiyur B.O | Branch Office | Delivery | Tiruvidamarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Tirunilakudi B.O | Branch Office | Delivery | Thiruvidaimarudur | Thanjavur | Kumbakonam | Tiruchy | Tamil Nadu | Tamilnadu |