637205 is the PIN Code of Unjanai, which is located in Sivaganga district, Tamil Nadu state.
Unjanai Post Office is located at Unjanai, Namakkal 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 Unjanai PO is 637205. This Postoffice falls under Namakkal postal division of the Tamilnadu postal circle.