Pincode 421004 is a 6-digit postal code serving 1 post office in Thane district, Maharashtra. Ulhasnagar 4 S.O is the Post Office for this area, located at 19.2110°N, 73.1577°E. The first digit ‘4’ identifies the Maharashtra postal region; the full code pinpoints the Thane delivery zone.
| Post Office | Type |
|---|---|
| Ulhasnagar 4 S.O | Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Thane, Maharashtra. Map data: OpenStreetMap, CARTO.