Post Office – Omagh, Clanabogan – Opening Hours & Branch Details Post Office occupies an ideal spot at 164 Clanabogan Road, a 3.99 mile drive south-west from the centre of Omagh. This branch is beneficial for the people of Dunnamona, Garvagh, Black Sessagh, Drudgeon, Tattysallagh, Clanabogaw Lower, Tattykeel (Brakannah) and Riverstown. Opening hours are from 7:00 am to 10:00 pm today (Friday). On this page, you will find operating times, location details, email address and additional information about Post Office Omagh, Clanabogan.