Post Office – Londonderry, Trench Road – Opening Hours & Branch Details You will find Post Office ideally situated at 2 Trench Road, a 0.92 mile distance south from the centre of Londonderry (near to Altnagelvin Industrial Estate and Immaculate Conception College). This branch chiefly serves the patrons in the districts of Kilfennan, Brandywell, Tullyally, Rosemount, Bogside, Londonderry/derry, Drumahoe and Currynierin. Operating times are from 8:30 am to 5:30 pm today (Friday). Please see this page for the specifics on Post Office Londonderry, Trench Road, including the hours of opening, navigation, contact number and additional details.