604501 is the PIN Code of Arunthodu, which is located in Tiruvannamalai district, Tamil Nadu state.
Arunthodu Post Office is located at Arunthodu, Tiruvannamalai 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 Arunthodu PO is 604501. This Postoffice falls under Tiruvannamalai postal division of the Tamilnadu postal circle.