Post Office – Newcastle Emlyn, Capel Iwan Mobile Service – Opening Hours & Branch Details Post Office occupies an ideal position on Mount Pleasant, about a 2.87 mile distance south from the centre of Newcastle Emlyn. This branch serves people from the locales of West Cilrhedyn, Cwm-Morgan, Bwlch Cae Brith, Dolybryn, Cilrhedyn, Capel Iwan and Cwm Cych. Unfortunately, it will be closed for the day (Friday). This page will supply you with all the information you need about Post Office Newcastle Emlyn, Capel Iwan Mobile Service, including the opening hours, place of business address details, product ranges and additional details.