There are 9 post offices under PIN code 606111.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Avinangudi B.O | Branch Office | Delivery | Tittakudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 2 | Gudalur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 3 | Kothattai B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 4 | Melur B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 5 | Pennadam R.S. S.O | Sub Office | Delivery | Tittakudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 6 | Pothiramangalam B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 7 | Sathanatham B.O | Branch Office | Delivery | Tittakudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 8 | Tholar B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |
| 9 | Tiruvattathurai B.O | Branch Office | Delivery | Tittagudi | Cuddalore | Vriddhachalam | Tiruchy | Tamil Nadu | Tamilnadu |