There are 5 post offices under PIN code 621706.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kattur Puvalur S.O | Sub Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Mettupatti B.O | Branch Office | Delivery | Ariyalur | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Mullal B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Sirumayankudi B.O | Branch Office | Non-Delivery | Ariyalur | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Thinniam B.O | Branch Office | Delivery | Ariyalur | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |