There are 9 post offices under PIN code 621802.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Angarayanallur B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Chinnavalayam B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Jayamkondacholapuram S.O | Sub Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | JC Puram West S.O | Sub Office | Non-Delivery | Na | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Kaluvanthondi B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Karadikulam B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Kilakudiyiruppu B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Periyavalayam B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Sengunthapuram B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |