Pincode 637404 is a 6-digit postal code serving 8 post offices in Namakkal district, Tamil Nadu. Kalappanaickenpatti S.O is the Post Office for this area, located at 11.3286°N, 78.2457°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Namakkal delivery zone.
| Post Office | Type |
|---|---|
| Kalappanaickenpatti S.O | Post Office |
| Malaveppankuttai B.O | Branch Post Office |
| Naducombai B.O | Branch Post Office |
| Pattathiyankuttai B.O | Branch Post Office |
| Thethukadu B.O | Branch Post Office |
| Thuthikulam B.O | Branch Post Office |
| Tirumalaipatti B.O | Branch Post Office |
| Valavanthicombai B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Namakkal, Tamil Nadu. Map data: OpenStreetMap, CARTO.