Post Office – Londonderry, Greysteel – Opening Hours & Branch Details Post Office is prominently situated at 172 Clooney Road, about a 8.09 mile driving distance east from the centre of Londonderry (next to A2 / Clooney Road). This branch is delighted to provide service to customers within the areas of Greysteel, Gresteel Beg, Tullyverry, Gresteel More, Gortgare, Lower Gortgare, Faughanvale and Tullybrisland. If you plan to drop by today (Friday), its hours of operation are 9:00 am until 5:30 pm. This page will supply you with all the information you need about Post Office Londonderry, Greysteel, including the business hours, branch address, direct phone and additional pertinent details.