631552 is the PIN Code of Siruvallur, which is located in Tiruvannamalai district, Tamil Nadu state.
Siruvallur Post Office is located at Siruvallur, 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 Siruvallur PO is 631552. This Postoffice falls under Kanchipuram postal division of the Tamilnadu postal circle.