There are 14 post offices under PIN code 636303.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chinnathanda B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Dinnapatti B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Govindapadi B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Kannamoochi B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Karungallur B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Kaveripuram B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Kolathur (Salem)S.O | Sub Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Kurumbarur B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Palamalai Hills B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Pannavadi B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 11 | Savariyarpalayam B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 12 | Settiyur B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 13 | Singiripatti B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 14 | Tharkadusundarapuram B.O | Branch Office | Delivery | Mettur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |