686693 is the PIN Code of Oonnukal, which is located in Ernakulam district, Kerala state.
Oonnukal Post Office is located at Oonnukal, Ernakulam 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 Oonnukal PO is 686693. This Postoffice falls under Alwaye postal division of the Kerala postal circle.