609309 is the PIN Code of Kalahasthinapuram, which is located in Nagapattinam district, Tamil Nadu state.
Kalahasthinapuram Post Office is located at Kalahasthinapuram, Nagapattinam 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 Kalahasthinapuram PO is 609309. This Postoffice falls under Mayiladuthurai postal division of the Tamilnadu postal circle.