Post Office – Llanelli, Furnace Mobile Service – Opening Hours & Branch Details Visit your local Post Office branch on Stradey Road, about a 0.78 mile driving distance north-west from the centre of Llanelli (not far from Ysgol Gymraeg Ffwrnes and Ysgol Grymraeg Ffwrnes). This branch mainly serves customers from the areas of Llanelli Town Centre, Swiss Valley, Morfa, Tyshia, Llwynwhylwyg, Bigyn, Halfway and Seaside. Regrettably, it is closed the whole day (Friday). Here you can find the specifics for Post Office Llanelli, Furnace Mobile Service, including the business times, navigation, product ranges and further pertinent information.