Post Office – Omagh, Ardstraw – Opening Hours & Branch Details Post Office is found in an ideal position at 1 Carnkerry Road, about a 11.05 mile distance north-west of the centre of Omagh. This branch primarily provides service to people from the locales of Carnkenny, Brocklis, Ardstraw, Urbalreagh, Kilstrule, Milltown, Clady Hill and Carnmore. It will be closed for all of today (Friday). On this page you can find all the information about Post Office Omagh, Ardstraw, including the open hours, address description, contact number and further essential details.