There are 7 post offices under PIN code 635803.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Gudiyattam RS S.O | Sub Office | Delivery | Gudiyatham | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Kilalathur B.O | Branch Office | Delivery | Gudiyattam | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Kosavanpudur B.O | Branch Office | Delivery | Gudiyatham | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Pasumathur B.O | Branch Office | Delivery | Gudiyattam | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Sedukarai B.O | Branch Office | Delivery | Gudiyattam | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Sethubandai B.O | Branch Office | Delivery | Gudiyattam | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Veppur B.O | Branch Office | Delivery | Gudiyattam | Vellore | Tirupattur | Coimbatore | Tamil Nadu | Tamilnadu |