Pincode 604503 is a 6-digit postal code serving 8 post offices in Tiruvannamalai district, Tamil Nadu. Pernamallur SO is the Post Office for this area, located at 11.1200°N, 77.2100°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruvannamalai delivery zone.
| Post Office | Type |
|---|---|
| Pernamallur SO | Post Office |
| Alliyandal BO | Branch Post Office |
| Injimedu BO | Branch Post Office |
| Kaduganur BO | Branch Post Office |
| Melmattaivinnamangalam BO | Branch Post Office |
| Mosavadi BO | Branch Post Office |
| Navalpakkam BO | Branch Post Office |
| Ragunathasamudram 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.