604601 is the PIN Code of Kilpennathur, which is located in Tiruvannamalai district, Tamil Nadu state.
Kilpennathur Post Office is located at Kilpennathur, Tiruvannamalai 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 Kilpennathur PO is 604601. This Postoffice falls under Tiruvannamalai postal division of the Tamilnadu postal circle.