631604 is the PIN Code of Kunnam, which is located in Nagapattinam district, Tamil Nadu state.
Kunnam Post Office is located at Kunnam, Kanchipuram 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 Kunnam PO is 631604. This Postoffice falls under Kanchipuram postal division of the Tamilnadu postal circle.