There are 10 post offices under PIN code 637503.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Akkaraipatti B.O | Branch Office | Delivery | Rasipuram | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Karumanur B.O | Branch Office | Delivery | Tiruchengodu | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Kolankondai B.O | Branch Office | Delivery | Tiruchengodu | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Kottapalayam B.O | Branch Office | Delivery | Tiruchengodu | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Mallasamudram S.O | Sub Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Mamundi B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Palamedu B.O | Branch Office | Delivery | Tiruchengodu | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Paruthipalli B.O | Branch Office | Delivery | Tiruchengodu | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Thuthipalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Vadugapalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |