Isle of Anglesey Postcodes County

The Isle of Anglesey is a county island off the north west coast of Wales, separated from the mainland by the Menai Strait. Its island setting has shaped a strong sense of local identity, with a landscape defined by open farmland, low lying countryside and a varied coastline. The surrounding sea has long influenced settlement, trade and everyday life, giving the island a clear maritime character.

The county includes towns such as Llangefni, Holyhead, Amlwch and Menai Bridge, each serving surrounding communities in different ways. Holyhead developed as an important port and transport link to Ireland, while Llangefni acts as an administrative and agricultural centre. Farming remains central to the local economy, alongside energy, tourism and port related activity.

The Isle of Anglesey benefits from extensive coastal paths, beaches and open countryside, offering opportunities for walking and outdoor recreation throughout the year. The island is also closely connected to Welsh language and cultural traditions, which remain part of everyday life. Overall, the Isle of Anglesey offers a calm and enduring mix of rural landscape, coastal influence and strong local identity, giving it a distinctive and well rooted place within Wales.

2,885
Postcodes
21
Districts
69,751
Population
Wales
Country

Postcode districts in Isle of Anglesey

DistrictPost townPostcodesPopulation
LL65 Holyhead 916 23,565
LL77 Rhosneigr, Llangefni 252 7,085
LL61 Llanfairpwllgwyngyll 248 6,335
LL68 Amlwch 233 6,115
LL59 Menai Bridge 200 5,611
LL58 Beaumaris 193 3,883
LL62 Bodorgan 119 1,694
LL60 Gaerwen 111 2,817
LL63 Ty Croes 105 1,339
LL71 Llanerchymedd 85 1,865
LL74 Tyn-y-Gongl 80 2,389
LL67 Cemaes Bay 61 1,416
LL75 Pentraeth 60 1,533
LL64 Rhosneigr 58 1,001
LL72 Moelfre 44 820
LL69 Penysarn 35 735
LL66 Rhosgoch 22 264
LL78 Brynteg 22 502
LL70 Dulas 20 269
LL73 Marianglas 12 233
LL76 Llanbedrgoch 9 280

Frequently asked questions

How many postcodes are in Isle of Anglesey?

There are approximately 2,885 postcodes in Isle of Anglesey.

How many postcode districts are in Isle of Anglesey?

Isle of Anglesey contains 21 postcode districts.

What is the population of Isle of Anglesey?

The postcode districts in Isle of Anglesey have a combined population of about 69,751.