There are 11 post offices under PIN code 637101.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alachampalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 2 | Chettimankurichi B.O | Branch Office | Delivery | Idappadi | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 3 | Chettipatti B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 4 | Chittoor B.O | Branch Office | Delivery | Idappadi | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 5 | Idappadi S.O | Sub Office | Delivery | Idappadi | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 6 | Iruppali B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 7 | Kullampatti B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 8 | Kurukkapatti B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 9 | Morasapatti B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 10 | Vellarinaickenpalayam B.O | Branch Office | Delivery | Tiruchengode | Namakkal | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |
| 11 | Vellarivalli B.O | Branch Office | Delivery | Idappadi | Salem | Namakkal | Coimbatore | Tamil Nadu | Tamilnadu |