600056 is the PIN Code of Poonamallee, which is located in Tiruvallur district, Tamil Nadu state.
Poonamallee Post Office is located at Poonamallee, Tiruvallur of TAMIL NADU state. It is a Sub 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 Poonamallee PO is 600056. This Postoffice falls under Tambaram postal division of the Tamilnadu postal circle.