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
Area guides
20 sectors
- LL11 3Near Minera
- LL15 1Near Ruthin
- LL15 2Near Clocaenog
- LL15 9Near Ruthin
- LL16 3Near Denbigh
- LL16 4Near Denbigh
- LL16 9Near Denbigh
- LL17 0Near St. Asaph
- LL18 2Near Rhyl
- LL18 4Near Rhyl
- LL18 5Near Rhuddlan
- LL18 6Near Dyserth
- LL18 9Near Rhyl
- LL19 0Near Rhyl
- LL19 8Near Prestatyn
- LL19 9Near Prestatyn
- LL20 8Near Llandynan
- LL20 9Near Llangollen
- LL21 1Near Llidiart y Parc
- LL21 9Near Gwyddelwern
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.