522237 is the PIN Code of Ainavolu, which is located in Guntur district, Andhra Pradesh state.
Ainavolu Post Office is located at Ainavolu, Guntur 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 Ainavolu PO is 522237. This Postoffice falls under Guntur postal division of the Andhra Pradesh postal circle.