Post Office – Llandeilo, Bethlehem Mobile Service – Opening Hours & Branch Details Post Office is easy to get to on Outside The Old School, about a 3.72 mile drive north-east of the centre of Llandeilo (near Bethlehem Church). This branch is proud to serve patrons within the districts of Waunclynda, Llangadog, Maesycrugiau, Llansadwrn, Bethlehem, Pen-Y-Banc and Salem. It is not open all of today (Friday). Here you will find some information about Post Office Llandeilo, Bethlehem Mobile Service, including the business times, location description and direct number.