KA23 9 postcode sector in the KA23 district

KA23 9 is a sector of the KA23 district: every postcode that starts KA23 9. It has 191 postcodes in use, 2 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the KA23 9 sector, and which are new since 2020

Map of every postcode in the KA23 9 sector, by new since 2020 Of the 191 postcodes in the KA23 9 sector 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: Saltcoats, Ardrossan, West Kilbride. 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 SaltcoatsArdrossanWest Kilbride 5 new postcodes since 2020, outlined: this goes to KA23 9NU, the newest of them5 new postcodes since 2020 Map of every postcode in the KA23 9 sector, by new since 2020 Of the 191 postcodes in the KA23 9 sector 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: Ardrossan, West Kilbride. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A78 ArdrossanWest Kilbride
  • 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 the KA23 9 sector 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.

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.

Postcodes in KA23 9

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

KA23 9AAKA23 9ABKA23 9AEKA23 9AFKA23 9AGKA23 9AHKA23 9AJKA23 9ALKA23 9ANKA23 9APKA23 9AQKA23 9ARKA23 9ATKA23 9AUKA23 9AWKA23 9AXKA23 9AYKA23 9AZKA23 9BAKA23 9BBKA23 9BDKA23 9BEKA23 9BGKA23 9BHKA23 9BJKA23 9BPKA23 9BQKA23 9BSKA23 9BTKA23 9BUKA23 9BWKA23 9BXKA23 9BYKA23 9BZKA23 9DAKA23 9DBKA23 9DDKA23 9DEKA23 9DFKA23 9DGKA23 9DHKA23 9DJKA23 9DLKA23 9DNKA23 9DPKA23 9DQKA23 9DRKA23 9DSKA23 9DTKA23 9DUKA23 9DWKA23 9DXKA23 9DYKA23 9DZKA23 9EAKA23 9EBKA23 9EDKA23 9EEKA23 9EGKA23 9EHKA23 9EJKA23 9ELKA23 9ENKA23 9EPKA23 9EQKA23 9ERKA23 9ESKA23 9ETKA23 9EUKA23 9EWKA23 9EXKA23 9EYKA23 9EZKA23 9FAKA23 9FBKA23 9FDKA23 9FEKA23 9FFKA23 9FGKA23 9FJKA23 9GAKA23 9GBKA23 9GDKA23 9HBKA23 9HDKA23 9HFKA23 9HGKA23 9HHKA23 9HJKA23 9HLKA23 9HNKA23 9HPKA23 9HQKA23 9HRKA23 9HSKA23 9HTKA23 9HUKA23 9HWKA23 9HXKA23 9HYKA23 9HZKA23 9JAKA23 9JBKA23 9JDKA23 9JEKA23 9JFKA23 9JGKA23 9JHKA23 9JJKA23 9JLKA23 9JNKA23 9JPKA23 9JQKA23 9JRKA23 9JSKA23 9JTKA23 9JUKA23 9JWKA23 9JXKA23 9JYKA23 9JZKA23 9LAKA23 9LBKA23 9LDKA23 9LEKA23 9LFKA23 9LGKA23 9LHKA23 9LJKA23 9LLKA23 9LPKA23 9LQKA23 9LRKA23 9LSKA23 9LTKA23 9LUKA23 9LXKA23 9LYKA23 9LZKA23 9NAKA23 9NBKA23 9NDKA23 9NEKA23 9NFKA23 9NGKA23 9NHKA23 9NJKA23 9NLKA23 9NNKA23 9NPKA23 9NQKA23 9NRKA23 9NSKA23 9NTKA23 9NUKA23 9NWKA23 9NXKA23 9NYKA23 9NZKA23 9PAKA23 9PBKA23 9PDKA23 9PEKA23 9PFKA23 9PGKA23 9PHKA23 9PJKA23 9PLKA23 9PNKA23 9PQKA23 9PRKA23 9PSKA23 9PTKA23 9PUKA23 9PWKA23 9PXKA23 9PYKA23 9PZKA23 9QAKA23 9QBKA23 9QDKA23 9QEKA23 9QFKA23 9QGKA23 9QJKA23 9QNKA23 9QPKA23 9QRKA23 9QWKA23 9QXKA23 9RA

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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