Post Office – Montgomery, Abermule Mobile Service – Opening Hours & Branch Details You’ll find Post Office situated at an ideal place on Road Opp: 11 Dol-Las, approximately 3.89 miles west from the centre of Montgomery. The branch is situated in a convenient location for customers from Llandyssil, Llanmerwig, Stretton Heath, Aberbechan, Abermule, Hyssington and Morville. It’ll be closed for the whole day (Friday). Here you’ll find some information about Post Office Montgomery, Abermule Mobile Service, including the opening times, local navigation or email address.