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LL71 postcode district

LL71, in the LL (Llandudno) postcode area, has 86 live and 13 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 37 roads under it.

postcode areaLL (Llandudno)
live postcodes86
terminated postcodes13
sectors2
roads listed37
companies registered48
centroid53.32955, -4.37121
directory release2026-08

Postcodes and sectors

86 of the district's 99 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 53.32955, -4.37121, which locates the district, not a building.

sector live terminated
LL71 7335
LL71 8538

Companies registered in LL71

Companies House lists 48 companies with a registered office in LL71 (1 October 2026 snapshot).

Places OS Open Names lists for LL71

  • Sir Ynys Mon
  • Isle of Anglesey
  • Wales
  • Llanerchymedd
  • Carmel
  • Capel Parc
  • Maenaddwyn
  • Llandyfrydog
  • Glan-yr-afon
  • Ceidio
  • Bachau
  • Penygraigwen

Roads filed under LL71

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.

  • Blucher Street
  • Bridge Street
  • Bryn Cir
  • Cae'r Delyn
  • Cae'r Ffynnon
  • Farmer Street
  • Ffordd Caergybi
  • Ffordd yr Ysgol
  • Glan Aber
  • High Street
  • Holyhead Road
  • Joint Houses Rhodogeidio
  • Lon Cilgwyn
  • Lon Coedanna
  • Lon Leidr
  • Maes Athen
  • Maes Ceidio
  • Maes Cuhelyn
  • Market Square
  • School Lane
  • Sgwâr y Farchnad
  • Stryd Blucher
  • Stryd Farmer
  • Stryd Fawr
  • Stryd Tudor
  • Stryd Twrcuhelyn
  • Stryd Wellington
  • Stryd y Bont
  • Stryd y Goedwig
  • Tan y Foel
  • Trem-y-Wylfa
  • Tudor Street
  • Twrcuhelyn Street
  • Water Street
  • Wellington Street
  • Y Goedwig Street
  • B5111

Check an address in LL71

Check an address in LL71

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LL71" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LL71

What does an LL71 postcode tell you?
That the address lies in the LL71 district of the LL (Llandudno) postcode area, and the place OS Open Names most often lists first for its postcodes is Llanerchymedd. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 86 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 LL71

distance between the districts' centroids

Wrong result, or is it about you? If this tool said something you think is wrong, tell us and a person reads it. If Spaw is holding data about you and you never signed up here — a customer may have had your address verified, or reported that a message to it bounced — erase it yourself, confirmed by mail to that address and with no account needed.

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