Post Office – Dumfries, Holywood – Opening Hours & Branch Details You’ll find Post Office easily accessible on Dercongal Road, about a 2.67 mile drive north-west from the centre of Dumfries (near A76 Junction). The branch is situated in a convenient location to serve the people of Kirkton, Nunwood, Terregles, Holywood, Ecclesmachan, Lochside and Locharbriggs. Today (Friday), hours of business start at 9:30 am and end at 11:00 am. Here you’ll find the specifics for Post Office Dumfries, Holywood, including the hours of operation, local directions, customer experience and other important information.