521002 is the PIN Code of Karagraharam, which is located in Krishna district, Andhra Pradesh state.
Karagraharam Post Office is located at Karagraharam, 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 Karagraharam PO is 521002. This Postoffice falls under Machilipatnam postal division of the Andhra Pradesh postal circle.