KA1 postcode district: Kilmarnock and around

KA1 is a postcode district in Scotland, with 1,024 postcodes in use in 6 sectors. It has postcodes in Kilmarnock and Hurlford and Crookedholm. It is split between 2 councils: East Ayrshire (932 postcodes) and South Ayrshire (92).

Postcodes in use: 1,024
Sectors: 6
Councils: 2 councils
Places: 2 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in KA1, and which are new since 2020

New since 2020: 36
In use before 2020: 988
Outline: where 5 or more new postcodes since 2020 lie together

Of the 1,024 postcodes in KA1 that ONS places, 36 are new since 2020 and 988 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 55.5953, longitude -4.4974. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The 5 newest postcodes

KA1 9HRJuly 2026 KA1 9GTApril 2026 KA1 2FQMarch 2026 KA1 4DTMarch 2026 KA1 9GXOctober 2025

Where the new postcodes lie together

12 new postcodes since 2020, outlined on the map. KA1 9HR, is the newest of them.
10 new postcodes since 2020, outlined on the map. KA1 2FQ, is the newest of them.

What broadband can you get in KA1?

Ofcom reports on 946 of the 1,024 postcodes in KA1. At 698 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit698 of 946

Postcodes where every home can get superfast889 of 946

Postcodes where some cannot get decent broadband1 of 946

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it