There are 6 post offices under PIN code 609104.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kadavasal S.O | Sub Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kannukiniyanar Koil B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Madanam B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Pachaiperumal Nallur B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Semmangudi(SRK) B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Umayalpathi B.O | Branch Office | Delivery | Sirkali | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |