KA21 postcode district: Saltcoats and around, North Ayrshire
KA21 is a postcode district in Scotland, with 373 postcodes in use in 3 sectors. It has postcodes in Saltcoats. Its council is North Ayrshire.
- Postcodes in use
- 373
- Sectors
- 3
- Council
- North Ayrshire
- Places
- Saltcoats
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in KA21, and which are new since 2020
- New since 2020: 23
- In use before 2020: 350
- Outline: where 5 or more new postcodes since 2020 lie together
Of the 373 postcodes in KA21 that ONS places, 23 are new since 2020 and 350 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 55.6423, longitude -4.7842. 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
6 further out, not drawn
These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.
What broadband can you get in KA21?
Ofcom reports on 369 of the 373 postcodes in KA21. At 293 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 KA21
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in KA21
Towns and villages with postcodes in KA21, and how many each has here.
Who covers KA21
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
- North Ayrshire and Arran373
Police force areas
- Scotland373
Next to KA21
"Next to" is by number: the districts before and after KA21 in the KA area.
Check a postcode
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