602021 is the PIN Code of Karikalavakkam, which is located in Tiruvallur district, Tamil Nadu state.
Karikalavakkam Post Office is located at Karikalavakkam, 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 Karikalavakkam PO is 602021. This Postoffice falls under Kanchipuram postal division of the Tamilnadu postal circle.