515871 is the PIN Code of Unthakallu, which is located in Ananthapur district, Andhra Pradesh state.
Unthakallu Post Office is located at Unthakallu, Ananthapur 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 Unthakallu PO is 515871. This Postoffice falls under Anantapur postal division of the Andhra Pradesh postal circle.