521105 is the PIN Code of Koyyuru, which is located in Krishna district, Andhra Pradesh state.
Koyyuru Post Office is located at Koyyuru, Krishna 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 Koyyuru PO is 521105. This Postoffice falls under Gudivada postal division of the Andhra Pradesh postal circle.