KA18 postcode district: Cumnock and around, East Ayrshire

KA18 is a postcode district in Scotland, with 738 postcodes in use in 5 sectors. It has postcodes in Cumnock, New Cumnock, Auchinleck and 1 more place. Its council is East Ayrshire.

Postcodes in use
738
Sectors
5
Council
East Ayrshire
Places
4 places

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

Every postcode in KA18, and which are new since 2020

Map of every postcode in KA18, by new since 2020 Of the 738 postcodes in KA18 that ONS places, 10 are new since 2020 and 728 were in use before 2020. Places named: Cumnock, Mauchline, New Cumnock, Auchinleck, Catrine, Kirkconnel and Kelloholm. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A76 KA18 1AB: before 2020KA18 1AE: before 2020KA18 1AF: before 2020KA18 1AJ: before 2020KA18 1AN: before 2020KA18 1AP: before 2020KA18 1AS: before 2020KA18 1BE: before 2020KA18 1BJ: before 2020KA18 1BL: before 2020KA18 1DB: before 2020KA18 1DH: before 2020KA18 1DN: before 2020KA18 1DT: before 2020KA18 1DY: before 2020KA18 1EF: before 2020KA18 1EN: before 2020KA18 1EU: before 2020KA18 1FB: before 2020KA18 1FE: before 2020KA18 1FH: before 2020KA18 1HA: before 2020KA18 1HH: before 2020KA18 1HJ: before 2020KA18 1HS: before 2020KA18 1HW: before 2020KA18 1HX: before 2020KA18 1HZ: before 2020KA18 1LG: before 2020KA18 1LL: before 2020KA18 1LT: before 2020KA18 1LX: before 2020KA18 1LZ: before 2020KA18 1ND: before 2020KA18 1NE: before 2020KA18 1NH: before 2020KA18 1NP: before 2020KA18 1NT: before 2020KA18 1PP: before 2020KA18 1PR: before 2020KA18 1PY: before 2020KA18 1QY: before 2020KA18 1RP: before 2020KA18 1RT: before 2020KA18 1RU: before 2020KA18 1SA: before 2020KA18 1SD: before 2020KA18 1SH: 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before 2020KA18 4JJ: before 2020KA18 4JR: before 2020KA18 4NE: before 2020KA18 4NG: before 2020KA18 4NH: before 2020KA18 4NL: before 2020KA18 4NN: before 2020KA18 4NP: before 2020KA18 4NQ: before 2020KA18 4NR: before 2020KA18 4NS: before 2020KA18 4NT: before 2020KA18 4NU: before 2020KA18 4NW: before 2020KA18 4NX: before 2020KA18 4NY: before 2020KA18 4PG: before 2020KA18 4PJ: before 2020KA18 4PL: before 2020KA18 4PN: before 2020KA18 4PQ: before 2020KA18 4PR: before 2020KA18 4PW: before 2020KA18 4QA: before 2020KA18 4QB: before 2020KA18 4QD: before 2020KA18 4QE: before 2020KA18 4QF: before 2020KA18 4QG: before 2020KA18 4QH: before 2020KA18 4QJ: before 2020KA18 4QL: before 2020KA18 4QN: before 2020KA18 4QP: before 2020KA18 4QR: before 2020KA18 4QW: before 2020KA18 1FR: new since 2020KA18 1FS: new since 2020KA18 3EP: new since 2020KA18 3ER: new since 2020KA18 3ET: new since 2020KA18 3JD: new since 2020KA18 9AR: new since 2020KA18 1FN: new since 2020KA18 2DF: new since 2020KA18 2DJ: new since 2020 CumnockMauchlineNew CumnockAuchinleckCatrineKirkconnel and Kelloholm Map of every postcode in KA18, by new since 2020 Of the 738 postcodes in KA18 that ONS places, 10 are new since 2020 and 728 were in use before 2020. Places named: Cumnock, Mauchline, New Cumnock, Auchinleck. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. CumnockMauchlineNew CumnockAuchinleck
  • New since 2020: 10
  • In use before 2020: 728

Of the 738 postcodes in KA18 that ONS places, 10 are new since 2020 and 728 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. 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 55.4516, longitude -4.2419. 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

KA18 1FSSeptember 2025KA18 3JDMay 2025KA18 3ETMarch 2025KA18 9ARJanuary 2025KA18 3EPJune 2024

What broadband can you get in KA18?

Ofcom reports on 729 of the 738 postcodes in KA18. At 372 of them every home and business can get gigabit broadband, and at 10 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit372 of 729
Postcodes where every home can get superfast650 of 729
Postcodes where some cannot get decent broadband10 of 729

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 KA18

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

KA18 1218 postcodesKA18 2190 postcodesKA18 3192 postcodesKA18 4137 postcodesKA18 91 postcode
UK postcode format explained

Places in KA18

Towns and villages with postcodes in KA18, and how many each has here.

Cumnock postcodes,278New Cumnock postcodes,108Auchinleck postcodes,103Muirkirk postcodes,57

Who covers KA18

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

  • Ayr, Carrick and Cumnock501
  • Kilmarnock and Loudoun237

Police force areas

  • Scotland738

Next to KA18

KA17 postcode district KA19 postcode district All KA districts Cumnock postcodes

"Next to" is by number: the districts before and after KA18 in the KA area.

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