PIN code 521390 – Krishna, Andhra Pradesh

521390 is the PIN code of 2 post offices in Krishna district, Andhra Pradesh, served by the Pedamaddali S.O sub office.

Post office	Type	Delivery	Division
Pedamaddali S.OMap	Post office	Yes	Gudivada Division
Addada B.OMap	Branch office	Yes	Gudivada Division

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