Pincode 609304 is a 6-digit postal code serving 5 post offices in Mayiladuthurai district, Tamil Nadu. Kilaiyur S.O is the Post Office for this area, located at 11.1225°N, 79.7442°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Mayiladuthurai delivery zone.
| Post Office | Type |
|---|---|
| Kilaiyur S.O | Post Office |
| Kanjanagaram B.O | Branch Post Office |
| Karuvazhakarai B.O | Branch Post Office |
| Kidarankondan B.O | Branch Post Office |
| Melapathi B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Mayiladuthurai, Tamil Nadu. Map data: OpenStreetMap, CARTO.