LL15 postcode district

Postcodes and sectors

457 of the district's 584 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 53.10327, -3.31606, which locates the district, not a building.

Companies registered in LL15

Companies House lists 564 companies with a registered office in LL15; none of them at an address shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for LL15

• Sir Ddinbych
• Denbighshire
• Wales
• Ruthin
• Rhuthun
• Rhewl
• Llanbedr-Dyffryn-Clwyd
• Llanfair Dyffryn Clwyd
• Pwll-glâs
• Graig-fechan
• Clawdd-newydd
• Gellifor
• Llanfwrog
• Clocaenog
• Cyffylliog
• Llanelidan
• Bontuchel
• Pentre-celyn
• Hirwaen
• Pentre
• Efenechtyd
• Rhyd-y-meudwy
• Commins
• Rhôs

Roads filed under LL15

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• Bodawen
• Borthyn
• Brickfield Lane
• Bro Clwyd
• Bro Clywedog
• Bro Deg
• Bron-y-Clwyd
• Bryn Coch
• Bryn Eryl
• Bryn Glas
• Bryn Goodman
• Bwlch Penbarras
• Cae Castan
• Cae Mair
• Caer Efail
• Cae Seren
• Canol-y-Dre
• Castle Street
• Cerrig Street
• Church Walks
• Cilgwyn
• Clos Hendre
• Clwyd Street
• Corwen Road
• Cwrt Arthur
• Cwrt y Dderwen
• Denbigh Road
• Dog Lane
• Dolydd
• Dyffryn
• Erw Goch
• Erw Las
• Ffordd Cae Glas
• Ffordd Celyn
• Ffordd Corwen
• Ffordd Cunedda
• Ffordd Edern
• Ffordd Glasdir
• Ffordd Gwynach
• Ffordd Helyg
• Ffordd Llanfair
• Ffordd Llanrhydd
• Ffordd Llwyfen
• Ffordd Plas Newydd
• Ffordd Rhufon
• Ffordd Wynnstay
• Ffordd yr Onnen
• Ffordd yr Orsaf
• Ffordd yr Ysgol
• Fron Haul
• Glasfryn
• Greenfield Road
• Haulfryn
• Hen Lon Parcwr
• Heol Clwyd
• Heol y Park
• Hwylfa Llwyn
• Lady Bagot's Drive
• Llain Goch
• Llanfair Road

Check an address in LL15

Check an address in LL15

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LL15" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LL15

What does an LL15 postcode tell you?

That the address lies in the LL15 district of the LL (Llandudno) postcode area, and the place OS Open Names most often lists first for its postcodes is Ruthin. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 457 live postcodes.

Where the counts come from

• ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
• os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
• uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest LL15

• LL1612.0 km
• LL2114.1 km
• CH714.3 km
• LL1718.4 km
• LL2019.1 km
• LL1119.2 km
• CH619.9 km
• CH820.5 km
• CH521.5 km
• LL1421.5 km
• LL1221.9 km
• LL1325.1 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids