Post Office – Londonderry, Foreglen – Opening Hours & Branch Details Post Office is proud to be located at 315A Foreglen Road, approximately a 11.94 mile driving distance east of the centre of Londonderry (just off A6 / Foreglen Road). The branch is located perfectly to serve those from the locales of Ballymoney, Foreglen, Farkland, Ovil, Cloughfin, Gibralter, Knocknalara and Muldonagh. Unfortunately, it’ll be closed today (Friday). Refer to this page for the specifics on Post Office Londonderry, Foreglen, including the operating times, branch address details, telephone number and other information.