There are 8 post offices under PIN code 636503.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Amaragundhi B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Mallikuttai B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Manathal B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Manathal Nallagoundampatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Maramangalam B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Muthampatti B.O | Branch Office | Delivery | Salem | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Periyeripatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Tholasampatti S.O | Sub Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |