There are 10 post offices under PIN code 638402.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ariyappampalayam B.O | Branch Office | Delivery | Sathyamangalam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Kavilipalayam B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Konamoolai B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Periyur B.O | Branch Office | Delivery | Sathyamangalam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Rangasamudram S.O | Sub Office | Delivery | Sathyamangalam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Shenbagapudur B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Sundakkampalayam B.O | Branch Office | Delivery | Na | Coimbatore | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Uthandiyur B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Valipalayam B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Vinnapalli B.O | Branch Office | Delivery | Sathy | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |