PIN code 400053 – Mumbai Suburban, Maharashtra

400053 is the PIN code of 2 post offices in Mumbai Suburban district, Maharashtra, served by the Azad Nagar S.O (Mumbai) sub office.

Post office	Type	Delivery	Division
Azad Nagar S.O (Mumbai)Map	Post office	Yes	Mumbai City North Division
Andheri H.OMap	Head office	No	Mumbai City North Division

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