Post Office – Eglinton, Londonderry – Opening Hours & Branch Details Post Office is ideally positioned at 7 Main Street, a 5.74 mile driving distance east of the centre of Londonderry (not far from Eglinton). The branch is located in a convenient locale that chiefly serves the people of Tygore, Ballygudden, Donnybrewer, Drummaneny, Eglinton, Tullanee, Mclean And Partners Division and Gortenny. If you plan to visit today (Friday), its business hours are from 8:00 am – 9:00 pm. Working times, address info or customer reviews for Post Office Eglinton, Londonderry can be found on this page.