521356 is the PIN Code of Gudlavalleru, which is located in Krishna district, Andhra Pradesh state.
Gudlavalleru Post Office is located at Gudlavalleru, Krishna of ANDHRA PRADESH state. It is a Sub 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 Gudlavalleru PO is 521356. This Postoffice falls under Machilipatnam postal division of the Andhra Pradesh postal circle.