KA23 postcode district: West Kilbride and around, North Ayrshire

KA23 is a postcode district in Scotland, with 191 postcodes in use in 1 sector. It has postcodes in West Kilbride and Saltcoats. Its council is North Ayrshire.

Postcodes in use
191
Sectors
1
Council
North Ayrshire
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 KA23, and which are new since 2020

Map of every postcode in KA23, by new since 2020 Of the 191 postcodes in KA23 that ONS places, 6 are new since 2020 and 185 were in use before 2020. One group of new postcodes is outlined: 5 new postcodes since 2020. Places named: West Kilbride, Saltcoats, Ardrossan. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A78 KA23 9AA: before 2020KA23 9AB: before 2020KA23 9AE: before 2020KA23 9AG: before 2020KA23 9AH: before 2020KA23 9AJ: before 2020KA23 9AN: before 2020KA23 9AP: before 2020KA23 9AQ: before 2020KA23 9AR: before 2020KA23 9AT: before 2020KA23 9AU: before 2020KA23 9AW: before 2020KA23 9AX: before 2020KA23 9AY: before 2020KA23 9AZ: before 2020KA23 9BA: before 2020KA23 9BB: before 2020KA23 9BD: before 2020KA23 9BE: before 2020KA23 9BG: before 2020KA23 9BJ: before 2020KA23 9BQ: before 2020KA23 9BT: before 2020KA23 9BU: before 2020KA23 9BX: before 2020KA23 9BY: before 2020KA23 9BZ: before 2020KA23 9DA: before 2020KA23 9DB: before 2020KA23 9DD: before 2020KA23 9DE: before 2020KA23 9DF: before 2020KA23 9DH: before 2020KA23 9DL: before 2020KA23 9DN: before 2020KA23 9DP: before 2020KA23 9DQ: before 2020KA23 9DR: before 2020KA23 9DT: before 2020KA23 9DU: before 2020KA23 9DX: before 2020KA23 9DY: before 2020KA23 9DZ: before 2020KA23 9EA: before 2020KA23 9ED: before 2020KA23 9EE: before 2020KA23 9EH: before 2020KA23 9EJ: before 2020KA23 9EL: before 2020KA23 9EN: before 2020KA23 9EP: before 2020KA23 9ER: before 2020KA23 9ES: before 2020KA23 9ET: before 2020KA23 9EX: before 2020KA23 9EY: before 2020KA23 9FA: before 2020KA23 9FB: before 2020KA23 9FD: before 2020KA23 9FE: before 2020KA23 9FF: before 2020KA23 9FG: before 2020KA23 9GA: before 2020KA23 9GB: before 2020KA23 9GD: before 2020KA23 9HD: before 2020KA23 9HG: before 2020KA23 9HH: before 2020KA23 9HJ: before 2020KA23 9HL: before 2020KA23 9HN: before 2020KA23 9HP: before 2020KA23 9HR: before 2020KA23 9HS: before 2020KA23 9HT: before 2020KA23 9HU: before 2020KA23 9HX: before 2020KA23 9JA: before 2020KA23 9JE: before 2020KA23 9JF: before 2020KA23 9JG: before 2020KA23 9JH: before 2020KA23 9JJ: before 2020KA23 9JL: before 2020KA23 9JN: before 2020KA23 9JP: before 2020KA23 9JQ: before 2020KA23 9JR: before 2020KA23 9JT: before 2020KA23 9JU: before 2020KA23 9JW: before 2020KA23 9JX: before 2020KA23 9JZ: before 2020KA23 9LA: before 2020KA23 9LB: before 2020KA23 9LD: before 2020KA23 9LE: before 2020KA23 9LF: before 2020KA23 9LH: before 2020KA23 9LJ: before 2020KA23 9LP: before 2020KA23 9LQ: before 2020KA23 9LR: before 2020KA23 9LS: before 2020KA23 9LT: before 2020KA23 9LU: before 2020KA23 9LX: before 2020KA23 9LY: before 2020KA23 9LZ: before 2020KA23 9NA: before 2020KA23 9NB: before 2020KA23 9ND: before 2020KA23 9NE: before 2020KA23 9NF: before 2020KA23 9NG: before 2020KA23 9NH: before 2020KA23 9NJ: before 2020KA23 9NL: before 2020KA23 9NN: before 2020KA23 9NQ: before 2020KA23 9NR: before 2020KA23 9NS: before 2020KA23 9NW: before 2020KA23 9NX: before 2020KA23 9NY: before 2020KA23 9NZ: before 2020KA23 9PA: before 2020KA23 9PB: before 2020KA23 9PD: before 2020KA23 9PE: before 2020KA23 9PF: before 2020KA23 9PG: before 2020KA23 9PH: before 2020KA23 9PJ: before 2020KA23 9PL: before 2020KA23 9PN: before 2020KA23 9PQ: before 2020KA23 9PR: before 2020KA23 9PS: before 2020KA23 9PT: before 2020KA23 9PU: before 2020KA23 9PW: before 2020KA23 9PX: before 2020KA23 9PY: before 2020KA23 9PZ: before 2020KA23 9QA: before 2020KA23 9QB: before 2020KA23 9QD: before 2020KA23 9QE: before 2020KA23 9QF: before 2020KA23 9QG: before 2020KA23 9QJ: before 2020KA23 9QN: before 2020KA23 9QP: before 2020KA23 9QR: before 2020KA23 9QW: before 2020KA23 9QX: before 2020KA23 9RA: before 2020KA23 9FJ: new since 2020KA23 9HW: new since 2020KA23 9NP: new since 2020KA23 9NU: new since 2020 West KilbrideSaltcoatsArdrossan 5 new postcodes since 2020, outlined: this goes to KA23 9NU, the newest of them5 new postcodes since 2020 Map of every postcode in KA23, by new since 2020 Of the 191 postcodes in KA23 that ONS places, 6 are new since 2020 and 185 were in use before 2020. One group of new postcodes is outlined: 5 new postcodes since 2020. Places named: West Kilbride, Ardrossan. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A78 West KilbrideArdrossan
  • New since 2020: 6
  • In use before 2020: 185
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 191 postcodes in KA23 that ONS places, 6 are new since 2020 and 185 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 170 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 55.6934, longitude -4.8578. 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

KA23 9NUMay 2026KA23 9NPFebruary 2026KA23 9HWAugust 2025KA23 9HYAugust 2025KA23 9HZAugust 2025

Where the new postcodes lie together

  • 5 new postcodes since 2020, outlined on the map. KA23 9NU, is the newest of them.

What broadband can you get in KA23?

Ofcom reports on 189 of the 191 postcodes in KA23. At 107 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit107 of 189
Postcodes where every home can get superfast162 of 189

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

Postcodes in KA23

Pick a sector, then a postcode. A sector is the district plus the next digit.

KA23 9191 postcodes
UK postcode format explained

Places in KA23

Towns and villages with postcodes in KA23, and how many each has here.

West Kilbride postcodes,159Saltcoats postcodes,1

Who covers KA23

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 Arran191

Police force areas

  • Scotland191

Next to KA23

KA22 postcode district KA24 postcode district All KA districts West Kilbride postcodes

"Next to" is by number: the districts before and after KA23 in the KA area.

Check a postcode

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