Post Office – Llanelli, Dafen – Opening Hours & Branch Details You’ll find Post Office ideally located at 3 Maescanner Road, a 1.48 mile drive north-east from the centre of Llanelli (a few minutes walk from St Mary’s R.c. Primary School). The branch is a significant addition to the areas of Llanelli Town Centre, Swiss Valley, Bryn, Pemberton, Bigyn, Llwynhendy, Llwynwhylwyg and Trostre. Operating hours for today (Friday) are from 5:00 am until 7:00 pm. Here you may find the branch hours, location description or direct contact number for Post Office Llanelli, Dafen.