685509 is the PIN Code of Periyar Lake, which is located in Idukki district, Kerala state.
Periyar Lake Post Office is located at Periyar Lake, Idukki of KERALA 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 Periyar Lake PO is 685509. This Postoffice falls under Idukki postal division of the Kerala postal circle.