PIN code 517101 – Chittoor, Andhra Pradesh

517101 is the PIN code of 2 post offices in Chittoor district, Andhra Pradesh, served by the Chandragiri Fort S.O sub office.

Post office	Type	Delivery	Division
Chandragiri Fort S.OMap	Post office	No	Tirupati Division
Chandragiri H.OMap	Head office	Yes	Tirupati Division

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