There are 5 post offices under PIN code 621805.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kilaneduvoi B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Periakrishnapuram B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Thennur B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Tirukalappur B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Varadarajampettai S.O | Sub Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |