KA3 postcode district

Postcodes and sectors

1,193 of the district's 1,380 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 55.64570, -4.49690, which locates the district, not a building.

Companies registered in KA3

Companies House lists 1,024 companies with a registered office in KA3; 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 KA3

• Scotland
• East Ayrshire
• Kilmarnock
• Stewarton
• Kilmaurs
• Fenwick
• Dunlop
• Crookedholm
• North Ayrshire
• Waterside
• Lugton
• Cunninghamhead
• Halket
• Kingsford
• Fullwood

Roads filed under KA3

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 Avenue
• Ailsa Place
• Ailsa View
• Albert Avenue
• Albert Court
• Albert Place
• Albert Wynd
• Alder Street
• Alexander Maclaren Gardens
• Allanvale
• Alloway Avenue
• Allsop Court
• Altonhead Drive
• Altonhead Terrace
• Altonhill Avenue
• Amlaird Road
• Anderson Place
• Annickbank
• Annick Crescent
• Archibald Craig Place
• Ardbeg Avenue
• Ardgour Place
• Ardgour Road
• Ardmore Place
• Argyll Drive
• Armour Place
• Armstrong Road
• Arness Court
• Arness Terrace
• Arran Avenue
• Arran View
• Ashdale Road
• Assloss Road
• Auchans Place
• Auchencar Drive
• Auchentiber Place
• Avenue Square
• Avenue Street
• Baird Place
• Baird Road
• Baleshrae Crescent
• Balfour Court
• Balmoral Grove
• Balmoral Road
• Balmoral Wynd
• Balvenie Drive
• Balveny Court
• Bankend Place
• Bankhead Place
• Bannerman Drive
• Bannockburn Place
• Barbour's Park
• Barclay Drive
• Barclay Place
• Bath Street
• Beansburn
• Beaufield Gardens
• Beech Walk
• Bellsland Crescent
• Belltree Avenue

Check an address in KA3

Check an address in KA3

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=KA3" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about KA3

What does a KA3 postcode tell you?

That the address lies in the KA3 district of the KA (Kilmarnock) postcode area, and the place OS Open Names most often lists first for its postcodes is Kilmarnock. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,193 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 KA3

• KA15.6 km
• KA27.1 km
• KA118.8 km
• KA48.9 km
• KA1211.0 km
• KA1611.4 km
• KA1312.8 km
• KA1514.1 km
• KA1014.2 km
• KA1714.2 km
• KA1415.2 km
• KA2415.4 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids