There are 10 post offices under PIN code 621115.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ayikudi B.O | Branch Office | Delivery | Kunnam | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Brammadesam B.O | Branch Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Elumur B.O | Branch Office | Delivery | Kunnam | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Fathimapuram B.O | Branch Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Kilapuliyur B.O | Branch Office | Delivery | Kunnam | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | P.Mettupalayam B.O | Branch Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Ranjankudi B.O | Branch Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Sirukudal B.O | Branch Office | Delivery | Kunnam | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Thevaiyur B.O | Branch Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |
| 10 | Valikondapuram S.O | Sub Office | Delivery | Veppanthattai | Perambalur | Srirangam | Tiruchy | Tamil Nadu | Tamilnadu |