The LL postcode area, also known as the Llandudno postcode area, is a large group of postcode districts covering north Wales. It excludes an area near the English border, roughly corresponding to the modern day county of Flintshire, and includes a small area of England near Chirk.
The following localities are included in the postal area: Aberdovey, Abergele, Amlwch, Arthog, Bala, Bangor, Barmouth, Beaumaris, Benllech, Betws-y-Coed, Blaenau Ffestiniog, Bodorgan, Brynteg, Caernarfon, Cemaes Bay, Colwyn Bay, Conwy, Corwen, Criccieth, Denbigh, Dolgellau, Dolwyddelan, Dulas, Dyffryn Ardudwy, Fairbourne, Gaerwen, Garndolbenmaen, Harlech, Holyhead, Llanbedr, Llanbedrgoch, Llandudno, Llandudno Junction, Llanerchymedd, Llanfairfechan, Llanfairpwllgwyngyll, Llangefni, Llangollen, Llanrwst, Llwyngwril, Marianglas, Menai Bridge, Moelfre, Penmaenmawr, Penrhyndeudraeth, Pentraeth, Penysarn, Porthmadog, Prestatyn, Pwllheli, Rhosgoch, Rhosneigr, Rhyl, Ruthin, St Asaph, Talsarnau, Talybont, Trefriw, Ty Croes, Tyn-y-Gongl, Tywyn, Wrexham and Y Felinheli in Wales.
The approximate coverage of the postcode districts:
Clockwise from the east, the adjacent postcode areas are: CH (Chester),