524402 is the PIN Code of Karaballavolu, which is located in Nellore district, Andhra Pradesh state.
Karaballavolu Post Office is located at Karaballavolu, Nellore 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 Karaballavolu PO is 524402. This Postoffice falls under Gudur postal division of the Andhra Pradesh postal circle.