There are 8 post offices under PIN code 609106.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kilasattanathapuram B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Mangamadam S.O | Sub Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Nangur B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Neipathur B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Perunthottam B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Puduthurai B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Thennampattinam B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Tirunagari B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |