604304 is the PIN Code of Eraiyur, which is located in Tiruvannamalai district, Tamil Nadu state.
Eraiyur Post Office is located at Eraiyur, Villupuram 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 Eraiyur PO is 604304. This Postoffice falls under Pondicherry postal division of the Tamilnadu postal circle.