KA18 postcode district

Postcodes and sectors

738 of the district's 845 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 55.45164, -4.24191, which locates the district, not a building.

Companies registered in KA18

Companies House lists 548 companies with a registered office in KA18; 106 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 KA18

• East Ayrshire
• Scotland
• Cumnock
• Auchinleck
• New Cumnock
• Muirkirk
• Ochiltree
• Logan
• Craigens
• Lugar
• Pathhead
• Mansfield
• Bankglen
• Kames
• Sinclairston
• Cronberry
• Burnside
• The Rigg
• Skares
• Dalblair
• Glenbuck
• Dalleagles

Roads filed under KA18

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.

• Afton Bridgend
• Afton Road
• Aird Avenue
• Ardnith Avenue
• Armitage Drive
• Arran Drive
• Ashmark Avenue
• Auchinleck Road
• Avisyard Avenue
• Ayr Road
• Back Rogerton Crescent
• Baillie Drive
• Ballochmyle Avenue
• Banfield Drive
• Bank Avenue
• Bank Glen
• Bank Lane
• Barbieston Road
• Barony Road
• Barrhill Road
• Barshare Road
• Beechwood Avenue
• Berry Hill Drive
• Birchwood Road
• Black Bull Close
• Blackfaulds Road
• Blackstone Heights
• Blackwood Drive
• Blarene Drive
• Boig Road
• Borland Road
• Boswell Crescent
• Boswell Drive
• Braehead Place
• Bridge Street
• Broom Crescent
• Broomfield Avenue
• Bryce Avenue
• Buntens Close
• Burnfoot Road
• Burnock Street
• Burns Avenue
• Burnside Close
• Burnton Place
• Bute Road
• Cairn Court
• Cairnhill Place
• Cairn Road
• Cairnscadden Road
• Cairn View
• Cameron Crescent
• Cameron Drive
• Campbell Court
• Caponacre Road
• Car Road
• Carruthers Park
• Carsgailoch Avenue
• Castle
• Castlehill
• Castlemains Avenue

Check an address in KA18

Check an address in KA18

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=KA18" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about KA18

What does a KA18 postcode tell you?

That the address lies in the KA18 district of the KA (Kilmarnock) postcode area, and the place OS Open Names most often lists first for its postcodes is Cumnock. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 738 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 KA18

• KA511.4 km
• KA616.9 km
• KA1717.8 km
• KA1618.2 km
• KA418.6 km
• DG420.1 km
• KA122.7 km
• KA923.4 km
• KA823.5 km
• KA724.5 km
• KA226.0 km
• KA326.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids