Pincode 421301 is a 6-digit postal code serving 5 post offices in Thane district, Maharashtra. Kalyan City H.O is the Head Post Office for this area, located at 19.2448°N, 73.1256°E. The first digit ‘4’ identifies the Maharashtra postal region; the full code pinpoints the Thane delivery zone.
| Post Office | Type |
|---|---|
| Kalyan City H.O | Head Post Office |
| Kalyan D.C. S.O | Post Office |
| Kalyan Rs S.O | Post Office |
| Subhash Road S.O (Thane) | Post Office |
| Pimpaloli B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Thane, Maharashtra. Map data: OpenStreetMap, CARTO.