691541 is the PIN Code of Kollayil, which is located in Kollam district, Kerala state.
Kollayil Post Office is located at Kollayil, 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 Kollayil PO is 691541. This Postoffice falls under Quilon postal division of the Kerala postal circle.