Post Office – Llanelli, Llwynhendy – Opening Hours & Branch Details You will find Post Office at 31 Llwynhendy Road, approximately a 1.78 mile drive east from the centre of Llanelli (by Llwynhendy Hen Ysgol / Old School). This branch is available for the people of Pemberton, Morfa, Llwynwhylwyg, Bryn, Trostre, Halfway, Llwynhendy and Bigyn. It is open today (Friday) from 6:30 am – 10:00 pm. Refer to this page for the specifics on Post Office Llanelli, Llwynhendy, including the branch hours, branch address, direct contact number and further essential information.