Pincode 604601 is a 6-digit postal code serving 7 post offices in Tiruvannamalai district, Tamil Nadu. Kilpennathur SO is the Post Office for this area, located at 12.2464°N, 79.2249°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruvannamalai delivery zone.
| Post Office | Type |
|---|---|
| Kilpennathur SO | Post Office |
| Erumpoondi BO | Branch Post Office |
| Kikkalur BO | Branch Post Office |
| Mekkalur BO | Branch Post Office |
| Rayampettai BO | Branch Post Office |
| Sirunathur BO | Branch Post Office |
| Valudalangunam 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.