There are 10 post offices under PIN code 636105.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Anaiyampatti B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Edappadi B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Gangavalli S.O | Sub Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Kadambur B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Krishnapuram B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Kudamalai B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Mayambadi B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Naduvalur B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Naripadi B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Odiyathur B.O | Branch Office | Delivery | Gangavalli | Salem | Salem East | Coimbatore | Tamil Nadu | Tamilnadu |