Post Office – Enniskillen, Drumskinney – Opening Hours & Branch Details Post Office is conveniently located on Drumnagreshial, a 15.58 mile driving distance north from the centre of Enniskillen (close to Drumkeeran Parish Coi). The branch looks forward to serving the customers of Fivemiletown, Castlederg, Dungannon, Omagh, Derryneeve Bridge and Strabane. It won’t be open the entire day (Friday). Read the information on this page for Post Office Enniskillen, Drumskinney, including the operating times, place of business address, customer reviews and more beneficial info.