KA11 postcode district: Irvine and around
KA11 is a postcode district in Scotland, with 543 postcodes in use in 5 sectors. It has postcodes in Irvine and Dreghorn. It is split between 2 councils: North Ayrshire (542 postcodes) and East Ayrshire (1).
- Postcodes in use
- 543
- Sectors
- 5
- 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 KA11, and which are new since 2020
- New since 2020: 37
- In use before 2020: 506
- Outline: where 5 or more new postcodes since 2020 lie together
Of the 543 postcodes in KA11 that ONS places, 37 are new since 2020 and 506 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 160 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 55.6187, longitude -4.6283. 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
Where the new postcodes lie together
- 10 new postcodes since 2020, outlined on the map. KA11 4GB, is the newest of them.
What broadband can you get in KA11?
Ofcom reports on 537 of the 543 postcodes in KA11. At 424 of them every home and business can get gigabit broadband.
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 checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
Postcodes in KA11
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in KA11
Towns and villages with postcodes in KA11, and how many each has here.
Who covers KA11
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
What council am I in?Constituencies
- Central Ayrshire542
- Kilmarnock and Loudoun1
Police force areas
- Scotland543
Next to KA11
"Next to" is by number: the districts before and after KA11 in the KA area.
Check a postcode
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