There are 6 post offices under PIN code 609301.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Akkur S.O (Nagapattinam) | Sub Office | Delivery | Tharangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Kalamanallur B.O | Branch Office | Delivery | Tarangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Mamakudi B.O | Branch Office | Delivery | Tharangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Maruthampallam B.O | Branch Office | Delivery | Tharangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Mathur B.O | Branch Office | Delivery | Tharangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Umayalpuram B.O | Branch Office | Delivery | Tharangambadi | Nagapattinam | Mayiladuthurai | Tiruchy | Tamil Nadu | Tamilnadu |