Post Office – Castlederg – Opening Hours & Branch Details You may visit Post Office at 1 High Street, 0.06 miles south-east from the centre of Castlederg (not far from Darragh Park). This branch is beneficial for the people of Bridgetown, Castlesessagh, Castlegore, Craigmonaghan (Nelson), Berrysfort, Craigmonaghan (Funeton), Castlederg Town Centre and Churchtown. Today (Friday), operating times begin at 7:00 am and continue until 11:00 pm. This page will provide you with all the information you need about Post Office Castlederg, including the hours of opening, address info, product ranges and additional significant details.