Post Office – Llandysul, Saron Mobile Service – Opening Hours & Branch Details Post Office sits on Trewern, about a 3.15 mile distance south-west from the centre of Llandysul (near to Cwrs Golff Penwern Saron Golf Course and Ysgol Wirfoddol Penboyr). This branch is an excellent addition to the local businesses of Maefor, Hafod Lon, Drefach, Llangeler, Glas Y Dorlan, Henllan Bridge Farm Prisoner of War Camp, Plas Gwyn and Llain Tarad. Unfortunately, it will not be open all of today (Friday). Please review this page for the specifics on Post Office Llandysul, Saron Mobile Service, including the open hours, location details, contact number and additional information.