There are 8 post offices under PIN code 636455.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chettipatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Mettupatti B.O | Branch Office | Delivery | Salem | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Moongilerichettipatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Olaipatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Omalur Cutcherry S.O | Sub Office | Non-Delivery | Salem | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Omalur S.O | Sub Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Pachanampatti B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Panankattur B.O | Branch Office | Delivery | Omalur | Salem | Salem West | Coimbatore | Tamil Nadu | Tamilnadu |