KA18 3 postcode sector in the KA18 district

KA18 3 is a sector of the KA18 district: every postcode that starts KA18 3. It has 192 postcodes in use, 3 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 KA18 3 sector, by gigabit broadband

Map of every postcode in the KA18 3 sector, by gigabit broadband Of the 192 postcodes in the KA18 3 sector that ONS places, 59 have no home or business that can get gigabit, 39 have some that can, 91 can all get it and 3 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 27 postcodes without gigabit; 20 postcodes without gigabit. Places named: Cumnock, Muirkirk. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A76 KA18 3ET: no Ofcom figureKA18 3JD: no Ofcom figureKA18 3AD: gigabit for allKA18 3AE: gigabit for allKA18 3AH: gigabit for allKA18 3AN: gigabit for allKA18 3AQ: gigabit for allKA18 3AR: gigabit for allKA18 3AS: gigabit for allKA18 3AU: gigabit for allKA18 3AX: gigabit for allKA18 3AY: gigabit for allKA18 3AZ: gigabit for allKA18 3BD: gigabit for allKA18 3BG: gigabit for allKA18 3BP: gigabit for allKA18 3BS: gigabit for allKA18 3BT: gigabit for allKA18 3DH: gigabit for allKA18 3EB: gigabit for allKA18 3EQ: gigabit for allKA18 3ER: gigabit for allKA18 3ES: gigabit for allKA18 3EU: gigabit for allKA18 3EZ: gigabit for allKA18 3HF: gigabit for allKA18 3HG: gigabit for allKA18 3HH: gigabit for allKA18 3HP: gigabit for allKA18 3HS: gigabit for allKA18 3HZ: gigabit for allKA18 3JA: gigabit for allKA18 3JJ: gigabit for allKA18 3JL: gigabit for allKA18 3JP: gigabit for allKA18 3JR: gigabit for allKA18 3JW: gigabit for allKA18 3LB: gigabit for allKA18 3LD: gigabit for allKA18 3LH: gigabit for allKA18 3LR: gigabit for allKA18 3LT: gigabit for allKA18 3LU: gigabit for allKA18 3LW: gigabit for allKA18 3NF: gigabit for allKA18 3NG: gigabit for allKA18 3NJ: gigabit for allKA18 3NQ: gigabit for allKA18 3SD: gigabit for allKA18 3AA: some gigabitKA18 3AJ: some gigabitKA18 3AP: some gigabitKA18 3BN: some gigabitKA18 3BX: some gigabitKA18 3HA: some gigabitKA18 3HB: some gigabitKA18 3HD: some gigabitKA18 3HX: some gigabitKA18 3HY: some gigabitKA18 3JB: some gigabitKA18 3JN: some gigabitKA18 3LJ: some gigabitKA18 3LL: some gigabitKA18 3LN: some gigabitKA18 3LP: some gigabitKA18 3LS: some gigabitKA18 3NA: some gigabitKA18 3NE: some gigabitKA18 3NH: some gigabitKA18 3NL: some gigabitKA18 3NN: some gigabitKA18 3QZ: some gigabitKA18 3RZ: some gigabitKA18 3SA: some gigabitKA18 3SB: some gigabitKA18 3DG: some gigabitKA18 3DY: some gigabitKA18 3LG: some gigabitKA18 3EY: some gigabitKA18 3QR: some gigabitKA18 3AF: no gigabitKA18 3BY: no gigabitKA18 3DB: no gigabitKA18 3EL: no gigabitKA18 3EP: no gigabitKA18 3HU: no gigabitKA18 3JG: no gigabitKA18 3LA: no gigabitKA18 3LE: no gigabitKA18 3NB: no gigabitKA18 3ND: no gigabitKA18 3NU: no gigabitKA18 3NW: no gigabitKA18 3NX: no gigabitKA18 3PG: no gigabitKA18 3PJ: no gigabitKA18 3PN: no gigabitKA18 3PP: no gigabitKA18 3PR: no gigabitKA18 3PS: no gigabitKA18 3PX: no gigabitKA18 3QA: no gigabitKA18 3QE: no gigabitKA18 3QF: no gigabitKA18 3QQ: no gigabitKA18 3QS: no gigabitKA18 3QW: no gigabitKA18 3QX: no gigabitKA18 3QY: no gigabitKA18 3RA: no gigabitKA18 3RE: no gigabitKA18 3RF: no gigabitKA18 3RJ: no gigabitKA18 3RP: no gigabitKA18 3RU: no gigabitKA18 3RW: no gigabit CumnockMuirkirk 27 postcodes without gigabit, outlined: this goes to KA18 3PS, the one nearest the middle of them27 postcodes without gigabit20 postcodes without gigabit, outlined: this goes to KA18 3QS, the one nearest the middle of them20 postcodes without gigabit Map of every postcode in the KA18 3 sector, by gigabit broadband Of the 192 postcodes in the KA18 3 sector that ONS places, 59 have no home or business that can get gigabit, 39 have some that can, 91 can all get it and 3 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 27 postcodes without gigabit; 20 postcodes without gigabit. Places named: Cumnock, Muirkirk. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. CumnockMuirkirk
  • No home or business can get gigabit: 59
  • Some can get gigabit: 39
  • Every home and business can get gigabit: 91
  • Ofcom gives no figure: 3
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 192 postcodes in the KA18 3 sector that ONS places, 59 have no home or business that can get gigabit, 39 have some that can, 91 can all get it and 3 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 180 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; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

59 postcodes here have no gigabit. These are the 12 first in postcode order.

KA18 3AFKA18 3BYKA18 3DBKA18 3ELKA18 3EPKA18 3HUKA18 3JGKA18 3LAKA18 3LEKA18 3NBKA18 3NDKA18 3NU

Where the postcodes without gigabit lie together

  • 27 postcodes without gigabit, outlined on the map. KA18 3PS, is the one nearest the middle of them.
  • 20 postcodes without gigabit, outlined on the map. KA18 3QS, is the one nearest the middle of them.

Postcodes in KA18 3

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.

KA18 3AAKA18 3ABKA18 3ADKA18 3AEKA18 3AFKA18 3AGKA18 3AHKA18 3AJKA18 3ANKA18 3APKA18 3AQKA18 3ARKA18 3ASKA18 3ATKA18 3AUKA18 3AWKA18 3AXKA18 3AYKA18 3AZKA18 3BAKA18 3BBKA18 3BDKA18 3BEKA18 3BGKA18 3BHKA18 3BJKA18 3BLKA18 3BNKA18 3BPKA18 3BQKA18 3BSKA18 3BTKA18 3BUKA18 3BXKA18 3BYKA18 3BZKA18 3DBKA18 3DDKA18 3DEKA18 3DFKA18 3DGKA18 3DHKA18 3DJKA18 3DLKA18 3DNKA18 3DPKA18 3DQKA18 3DRKA18 3DSKA18 3DTKA18 3DUKA18 3DWKA18 3DXKA18 3DYKA18 3DZKA18 3EAKA18 3EBKA18 3EDKA18 3EEKA18 3EFKA18 3EGKA18 3EHKA18 3EJKA18 3ELKA18 3ENKA18 3EPKA18 3EQKA18 3ERKA18 3ESKA18 3ETKA18 3EUKA18 3EXKA18 3EYKA18 3EZKA18 3GAKA18 3HAKA18 3HBKA18 3HDKA18 3HEKA18 3HFKA18 3HGKA18 3HHKA18 3HJKA18 3HLKA18 3HNKA18 3HPKA18 3HQKA18 3HRKA18 3HSKA18 3HTKA18 3HUKA18 3HWKA18 3HXKA18 3HYKA18 3HZKA18 3JAKA18 3JBKA18 3JDKA18 3JGKA18 3JJKA18 3JLKA18 3JNKA18 3JPKA18 3JRKA18 3JWKA18 3LAKA18 3LBKA18 3LDKA18 3LEKA18 3LGKA18 3LHKA18 3LJKA18 3LLKA18 3LNKA18 3LPKA18 3LRKA18 3LSKA18 3LTKA18 3LUKA18 3LWKA18 3NAKA18 3NBKA18 3NDKA18 3NEKA18 3NFKA18 3NGKA18 3NHKA18 3NJKA18 3NLKA18 3NNKA18 3NQKA18 3NUKA18 3NWKA18 3NXKA18 3PAKA18 3PBKA18 3PFKA18 3PGKA18 3PHKA18 3PJKA18 3PLKA18 3PNKA18 3PPKA18 3PQKA18 3PRKA18 3PSKA18 3PTKA18 3PUKA18 3PWKA18 3PXKA18 3PYKA18 3PZKA18 3QAKA18 3QBKA18 3QDKA18 3QEKA18 3QFKA18 3QGKA18 3QPKA18 3QQKA18 3QRKA18 3QSKA18 3QTKA18 3QUKA18 3QWKA18 3QXKA18 3QYKA18 3QZKA18 3RAKA18 3RBKA18 3RDKA18 3REKA18 3RFKA18 3RGKA18 3RHKA18 3RJKA18 3RLKA18 3RNKA18 3RPKA18 3RQKA18 3RRKA18 3RSKA18 3RTKA18 3RUKA18 3RWKA18 3RXKA18 3RYKA18 3RZKA18 3SAKA18 3SBKA18 3SDKA18 3TA

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

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