Post Office – Killay – Opening Hours & Branch Details You may visit Post Office at 428 Gower Road, a 0.06 mile driving distance north-east from the centre of Killay (a few minutes walk from Commercial Hotel (Ne)). This branch primarily serves the people in the locales of Tycoch, Sketty, Sketty Park, Upper Killay, Waunarlwydd, Dunvant, Blackpill and Killay Town Centre. Its operating hours are 5:30 am – 7:30 pm today (Friday). This page includes specifics on Post Office Killay, including the branch hours, address and contact info.