631603 is the PIN Code of Arpakkam, which is located in Tiruvannamalai district, Tamil Nadu state.
Arpakkam Post Office is located at Arpakkam, Kanchipuram 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 Arpakkam PO is 631603. This Postoffice falls under Kanchipuram postal division of the Tamilnadu postal circle.