LL20 in Denbighshire

20 postcode sectors mapped mainly to Denbighshire. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.

Postcode districts

All 20
LL11 1
LL15 3
LL16 3
LL17 1
LL18 5
LL19 3
LL20 2
LL21 2

LL20 guides

2 sectors

LL20 8Near Llandynan
LL20 9Near Llangollen

Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.