691520 is the PIN Code of Ummannur, which is located in Kollam district, Kerala state.
Ummannur Post Office is located at Ummannur, 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 Ummannur PO is 691520. This Postoffice falls under Quilon postal division of the Kerala postal circle.