There are 12 post offices under PIN code 612903.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alathipallam B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Ayyappanaickenpettai B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Ilayaperumanallur B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Kattagaram B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Kundaveli B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Melanikuli B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Minsuritti S.O | Sub Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Muthuservaimadam B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Padanilai B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 10 | Pappakudi B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 11 | Saluppai B.O | Branch Office | Delivery | Udayarpalayam | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |
| 12 | Vangudi B.O | Branch Office | Delivery | Jayamkondacholapuram | Ariyalur | Tiruchirapalli | Tiruchy | Tamil Nadu | Tamilnadu |