Pincode 637401 is a 6-digit postal code serving 7 post offices in Namakkal district, Tamil Nadu. Andagalur S.O is the Post Office for this area, located at 11.4450°N, 78.1564°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Namakkal delivery zone.
| Post Office | Type |
|---|---|
| Andagalur S.O | Post Office |
| Anaipalayam B.O | Branch Post Office |
| Chandrasekarapuram B.O | Branch Post Office |
| Koonavelampatti B.O | Branch Post Office |
| Kurukkapuram B.O | Branch Post Office |
| Masakalipatti B.O | Branch Post Office |
| Muthukalipatti 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.