There are 20 post offices under PIN code 638701.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alampadi B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Aratholuvu B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Avanashipalayampudur B.O | Branch Office | Delivery | Dharapuram | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Kadayur B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Kangayam East B.O | Branch Office | Non-Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Kangayam North S.O | Sub Office | Non-Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Kangayam S.O | Sub Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Keeranur B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Kosavampalayam B.O | Branch Office | Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Mudianerichal B.O | Branch Office | Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 11 | Nathakattuvalasu B.O | Branch Office | Delivery | Dharapuram | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 12 | Olapalayam B.O | Branch Office | Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 13 | Padiyur B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 14 | Pappinipachapalayam B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 15 | Paranjervali B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 16 | Pothiapalayam B.O | Branch Office | Delivery | Kangeyam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 17 | Sivanmalai B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 18 | Thambureddipalayam B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 19 | Veeracholapuram B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |
| 20 | Veeranampalayam B.O | Branch Office | Delivery | Kangayam | Erode | Tirupur | Coimbatore | Tamil Nadu | Tamilnadu |