PIN code 421501 – Thane, Maharashtra

421501 is the PIN code of 3 post offices in Thane district, Maharashtra, served by the Ambernath S.O sub office.

Post office	Type	Delivery	Division
Ambernath S.OMap	Post office	Yes	Thane Division
Ambernath South S.OMap	Post office	No	Thane Division
Kansai S.OMap	Post office	No	Thane Division

Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.