There are 9 post offices under PIN code 621711.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alambakkam B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kannakudi B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kovandakurichi B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Nathamangudi B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Pudurpalayam B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Pullambadi S.O | Sub Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Punjai Sangentai B.O | Branch Office | Delivery | Na | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Vandalaigudalur B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Venkatachalapuram B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |