691309 is the PIN Code of Kalthuruthy, which is located in Kollam district, Kerala state.
Kalthuruthy Post Office is located at Kalthuruthy, Kollam of KERALA 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 Kalthuruthy PO is 691309. This Postoffice falls under Pathanamthitta postal division of the Kerala postal circle.