604306 is the PIN Code of Rettanai, which is located in Villupuram district, Tamil Nadu state.
Rettanai Post Office is located at Rettanai, Villupuram of TAMIL NADU state. It is a Sub 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 Rettanai PO is 604306. This Postoffice falls under Pondicherry postal division of the Tamilnadu postal circle.