Pincode 604402 is a 6-digit postal code serving 7 post offices in Tiruvannamalai district, Tamil Nadu. Hasanamapettai SO is the Post Office for this area, located at 12.2352°N, 79.0766°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruvannamalai delivery zone.
| Post Office | Type |
|---|---|
| Hasanamapettai SO | Post Office |
| Alividaithangi BO | Branch Post Office |
| Kunnathur BO | Branch Post Office |
| Kuthanur BO | Branch Post Office |
| Ramakrishnapuram BO | Branch Post Office |
| Sumangali BO | Branch Post Office |
| Vadamanapakkam BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Tiruvannamalai, Tamil Nadu. Map data: OpenStreetMap, CARTO.