Post Office – Llanrhystud, Joppa Mobile Service – Opening Hours & Branch Details You’ll find Post Office situated at a prime place on Joppa, about a 2.89 mile driving distance south-east of the centre of Llanrhystud. The branch is perfectly located to serve people from the locales of Llangeitho, Cross Inn, Llanon, Cilcennin, Penuwch, Llansantffraid, Joppa and Rhydroser. Today (Friday) it’s closed. Refer to this page for information on Post Office Llanrhystud, Joppa Mobile Service, including the operating hours, location info, contact info and more.