517561 is the PIN Code of Nadavalur, which is located in Chittoor district, Andhra Pradesh state.
Nadavalur Post Office is located at Nadavalur, Chittoor of ANDHRA PRADESH state. It is a Branch Post Office. A Post Office (PO) / Dak Ghar is a facility in charge of sorting, processing, and delivering mail to recipients. POs are usually regulated and funded by the Government of India (GOI). Pin code of Nadavalur PO is 517561. This Postoffice falls under Tirupati postal division of the Andhra Pradesh postal circle.