There are 9 post offices under PIN code 636138.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kariyakoil B.O | Branch Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Karumanthurai S.O | Sub Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Koil Puthur B.O | Branch Office | Delivery | Atur | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Kunnur B.O | Branch Office | Delivery | Atur | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Maniyaragundam B.O | Branch Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Pagadupattu B.O | Branch Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Sittampatti B.O | Branch Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Soolankurichi B.O | Branch Office | Delivery | Atur | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Thekkampattu B.O | Branch Office | Delivery | Salem | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |