Pincode 609403 is a 6-digit postal code serving 8 post offices in Thiruvarur district, Tamil Nadu. Kollumangudi S.O is the Post Office for this area, located at 10.5800°N, 79.3900°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Thiruvarur delivery zone.
| Post Office | Type |
|---|---|
| Kollumangudi S.O | Post Office |
| A. Kiliyanur B.O | Branch Post Office |
| Kaliyakudi B.O | Branch Post Office |
| Keeranur B.O | Branch Post Office |
| Nedungulam B.O | Branch Post Office |
| Pavattakudi B.O | Branch Post Office |
| Pillur B.O | Branch Post Office |
| Sirupuliyur B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Thiruvarur, Tamil Nadu. Map data: OpenStreetMap, CARTO.