Pincode 609109 is a 6-digit postal code serving 6 post offices in Mayiladuthurai district, Tamil Nadu. Sattanathapuram S.O is the Post Office for this area, located at 11.2202°N, 79.7374°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Mayiladuthurai delivery zone.
| Post Office | Type |
|---|---|
| Sattanathapuram S.O | Post Office |
| Annamperumalkoil B.O | Branch Post Office |
| Karaimedu B.O | Branch Post Office |
| Kattiyaniruppu B.O | Branch Post Office |
| Sembadaniruppu B.O | Branch Post Office |
| Tiruvali 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.