KA11 3 postcode sector in the KA11 district

KA11 3 is a sector of the KA11 district: every postcode that starts KA11 3. It has 37 postcodes in use, one of them a large-user postcode. 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 KA11 3 sector, and which are new since 2020

Map of every postcode in the KA11 3 sector, by new since 2020 Of the 37 postcodes in the KA11 3 sector that ONS places, 37 were in use before 2020. Places named: Irvine South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. KA11 3AA: before 2020KA11 3AB: before 2020KA11 3AD: before 2020KA11 3AE: before 2020KA11 3AF: before 2020KA11 3AG: before 2020KA11 3AH: before 2020KA11 3AJ: before 2020KA11 3AL: before 2020KA11 3AN: before 2020KA11 3AP: before 2020KA11 3AQ: before 2020KA11 3AR: before 2020KA11 3AS: before 2020KA11 3AT: before 2020KA11 3AU: before 2020KA11 3AW: before 2020KA11 3AX: before 2020KA11 3AY: before 2020KA11 3AZ: before 2020KA11 3BA: before 2020KA11 3BB: before 2020KA11 3BD: before 2020KA11 3BE: before 2020KA11 3BF: before 2020KA11 3BG: before 2020KA11 3BH: before 2020KA11 3BJ: before 2020KA11 3BL: before 2020KA11 3BP: before 2020KA11 3BQ: before 2020KA11 3BT: before 2020KA11 3BU: before 2020KA11 3BW: before 2020KA11 3DA: before 2020KA11 3DB: before 2020KA11 3DE: before 2020 Irvine South Map of every postcode in the KA11 3 sector, by new since 2020 Of the 37 postcodes in the KA11 3 sector that ONS places, 37 were in use before 2020. Places named: Irvine South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Irvine South
  • New since 2020: 0
  • In use before 2020: 37

Of the 37 postcodes in the KA11 3 sector that ONS places, 37 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. Names in italics are council wards: we hold no town or village names here.

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

Postcodes in KA11 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.

KA11 3AAKA11 3ABKA11 3ADKA11 3AEKA11 3AFKA11 3AGKA11 3AHKA11 3AJKA11 3ALKA11 3ANKA11 3APKA11 3AQKA11 3ARKA11 3ASKA11 3ATKA11 3AUKA11 3AWKA11 3AXKA11 3AYKA11 3AZKA11 3BAKA11 3BBKA11 3BDKA11 3BEKA11 3BFKA11 3BGKA11 3BHKA11 3BJKA11 3BLKA11 3BPKA11 3BQKA11 3BTKA11 3BUKA11 3BWKA11 3DAKA11 3DBKA11 3DE

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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