WN4 postcode district

Postcodes and sectors

604 of the district's 753 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 53.49370, -2.64446, which locates the district, not a building.

Companies registered in WN4

Companies House lists 1,360 companies with a registered office in WN4; 427 of them at addresses 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 WN4

• North West
• Ashton-in-Makerfield
• Wigan
• St. Helens
• Land Gate
• Leyland Green
• Simm's Lane End
• Golborne

Roads filed under WN4

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.

• Abinger Road
• A Court
• Adamson Street
• Alder Avenue
• Alderton Drive
• Alexandra Road
• Allscott Way
• Alton Close
• Annan Grove
• Antler Court
• Arch Lane
• Argyll Close
• Armoury Bank
• Ashland Avenue
• Ashton Heath
• Ashwood Avenue
• Aspenwood
• Austin Avenue
• Averham Close
• Aviemore Close
• Avon Road
• Balliol Way
• Balmoral Road
• Bamburgh Place
• Bankside Avenue
• Bardale Grove
• Barrow Street
• Beaver Court
• Bedford Place
• Beech Street
• Beechwood Avenue
• Belvedere Road
• Benjamin Fold
• Berrington Grove
• Bevington Street
• Billinge Road
• Birch Grove
• Bispham Drive
• Blenheim Road
• Bolton Road
• Bolton Street
• Booth's Brow Road
• Bowland Avenue
• Bransdale Drive
• Bransford Close
• Briar Close
• Brocstedes Avenue
• Brocstedes Road
• Brooklands Avenue
• Brookside Avenue
• Bryn Green Avenue
• Bryn Road
• Bryn Road South
• Bryn Street
• Burns Close
• Butchers Lane
• Buttermere Avenue
• Caldbeck Close
• Calverhall Way
• Campion Grove

Check an address in WN4

Check an address in WN4

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=WN4" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about WN4

What does a WN4 postcode tell you?

That the address lies in the WN4 district of the WN (Wigan) postcode area, and the place OS Open Names most often lists first for its postcodes is Ashton-in-Makerfield. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 604 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 WN4

• WN33.9 km
• WA124.5 km
• WN55.1 km
• WA115.3 km
• WN26.2 km
• WN16.7 km
• WA37.6 km
• WA98.1 km
• WN78.4 km
• WA108.6 km
• WN69.3 km
• WA210.1 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids