609112 is the PIN Code of Karkoil, which is located in Nagapattinam district, Tamil Nadu state.
Karkoil Post Office is located at Karkoil, Nagapattinam of TAMIL NADU 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 Karkoil PO is 609112. This Postoffice falls under Mayiladuthurai postal division of the Tamilnadu postal circle.