MK3 4 postcode sector in the MK3 district

MK3 4 is a sector of the MK3 district: every postcode that starts MK3 4. It has 9 postcodes in use.

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

Every postcode in the MK3 4 sector, and which are new since 2020

Map of every postcode in the MK3 4 sector, by new since 2020 Of the 9 postcodes in the MK3 4 sector that ONS places, 9 are new since 2020. Places named: Newton Longville. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. MK3 4AA: new since 2020MK3 4AD: new since 2020MK3 4AE: new since 2020MK3 4AG: new since 2020MK3 4AH: new since 2020MK3 4AJ: new since 2020MK3 4AL: new since 2020MK3 4AN: new since 2020MK3 4AP: new since 2020 Newton Longville Map of every postcode in the MK3 4 sector, by new since 2020 Of the 9 postcodes in the MK3 4 sector that ONS places, 9 are new since 2020. Places named: Newton Longville. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Newton Longville
  • New since 2020: 9
  • In use before 2020: 0

Of the 9 postcodes in the MK3 4 sector that ONS places, 9 are new since 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

The 5 newest postcodes

MK3 4APJuly 2026MK3 4ANJune 2026MK3 4AJMay 2026MK3 4ALMay 2026MK3 4AHApril 2026

Postcodes in MK3 4

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.

MK3 4AAMK3 4ADMK3 4AEMK3 4AGMK3 4AHMK3 4AJMK3 4ALMK3 4ANMK3 4AP

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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