There are 7 post offices under PIN code 621218.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Edayathimangalam B.O | Branch Office | Delivery | Lalgudi | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Esanakorai B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Melaperungavur B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Melavalady B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Periavarsili B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Tirumanamedu B.O | Branch Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Valady S.O | Sub Office | Delivery | Lalgudi | Tiruchirappalli | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |