691531 is the PIN Code of Extension Trg Centre, which is located in Kollam district, Kerala state.
Extension Trg Centre Post Office is located at Extension Trg Centre, Kollam of KERALA 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 Extension Trg Centre PO is 691531. This Postoffice falls under Quilon postal division of the Kerala postal circle.