Pincode 609001 is a 6-digit postal code serving 10 post offices in Mayiladuthurai district, Tamil Nadu. Mayiladuthurai H.O is the Head Post Office for this area, located at 11.1009°N, 79.6500°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Mayiladuthurai delivery zone.
| Post Office | Type |
|---|---|
| Mayiladuthurai H.O | Head Post Office |
| Koranad S.O | Post Office |
| Mayiladuthurai Bazaar S.O | Post Office |
| Mayiladuthurai Cutchery S.O | Post Office |
| Mayiladuthurai South S.O | Post Office |
| Dharmapuram B.O | Branch Post Office |
| Mayiladuthurai North B.O | Branch Post Office |
| Nallathukudi B.O | Branch Post Office |
| Pattamangalam B.O | Branch Post Office |
| Tiruvilandur 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.