YO23 postcode district

Postcodes and sectors

585 of the district's 702 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 53.92343, -1.12362, which locates the district, not a building.

Companies registered in YO23

Companies House lists 937 companies with a registered office in YO23; 35 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 YO23

• Yorkshire and the Humber
• York
• Copmanthorpe
• North Yorkshire
• Bishopthorpe
• Appleton Roebuck
• Acaster Malbis
• Rufforth
• Bolton Percy
• Askham Bryan
• Bilbrough
• Askham Richard
• Middlethorpe
• Westfield Park
• Colton Lane End
• Holme Green
• Angram
• Nun Appleton
• Acaster Selby

Roads filed under YO23

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.

• Acaster Avenue
• Acaster Lane
• Adelaide Street
• Ainsty Garth
• Albemarle Road
• Alcelina Court
• Aldreth Grove
• Ancress Walk
• Anne Street
• Appleton Court
• Appleton Road
• Argyle Street
• Ash Tree Gardens
• Askham Bryan Lane
• Askham Fields Lane
• Back Lane
• Balmoral Terrace
• Banks Drive
• Barbers Drive
• Barnfield Way
• Barons Crescent
• Beadle Garth
• Beech Avenue
• Bellmans Croft
• Beresford Terrace
• Berry Mews
• Bewlay Street
• Bishopgate Street
• Bishopthorpe Road
• Board Street
• Bond Lane
• Bowyers Close
• Bradley Crescent
• Bradley Lane
• Brewster Way
• Briars Court
• Briars Drive
• Bridge Road
• Broad Lane
• Brunswick Street
• Butcher Terrace
• Buttacre Lane
• Caesar Court
• Cameron Grove
• Campleshon Road
• Carl Street
• Cat Lane
• Chantry Lane
• Chapel Lane
• Charlton Street
• Cherry Hill Lane
• Cherry Street
• Cherry Tree Drive
• Chrennicar Lane
• Church Close
• Church Farm Close
• Church Lane
• Church Street
• Clementhorpe
• Clement Street

Check an address in YO23

Check an address in YO23

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=YO23" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about YO23

What does a YO23 postcode tell you?

That the address lies in the YO23 district of the YO (York) postcode area, and the place OS Open Names most often lists first for its postcodes is York. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 585 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 YO23

• YO242.5 km
• YO904.6 km
• YO14.7 km
• YO105.3 km
• YO316.4 km
• YO266.9 km
• YO197.0 km
• YO307.1 km
• LS2410.5 km
• YO3210.7 km
• LS2314.9 km
• YO4115.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids