Llanallgo is a village in Anglesey, Wales.
It is situated within the LL72 postcode district, which is within the Moelfre post town.
LL72 is the only postcode district within the Moelfre post town.
The Moelfre post town is within the Llandudno postcode area.
Administrative Ward: Moelfre
Administrative District: Isle of Anglesey
Country: Wales
UK Parliament: Ynys Môn