631203 is the PIN Code of Kaivandur, which is located in Tiruvallur district, Tamil Nadu state.
Kaivandur Post Office is located at Kaivandur, Tiruvallur 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 Kaivandur PO is 631203. This Postoffice falls under Kanchipuram postal division of the Tamilnadu postal circle.