630001 is the PIN Code of Karaikudi, which is located in Sivaganga district, Tamil Nadu state.
Karaikudi Post Office is located at Karaikudi, Sivaganga of TAMIL NADU state. It is a Head 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 Karaikudi PO is 630001. This Postoffice falls under Karaikudi postal division of the Tamilnadu postal circle.