There are 8 post offices under PIN code 637103.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | A.Thalaiyur B.O | Branch Office | Delivery | Sankari | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Chinandipalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Gudalur B.O | Branch Office | Delivery | Sankari | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Irugalur B.O | Branch Office | Delivery | Sankari | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Kaligoundampalayam B.O | Branch Office | Delivery | Sankari | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Mac Donalds Choultry S.O | Sub Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Vaikuntham B.O | Branch Office | Delivery | Sankari | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Vellaiyampalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |