MK11 3 postcode sector in the MK11 district

MK11 3 is a sector of the MK11 district: every postcode that starts MK11 3. It has 25 postcodes in use, 6 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 MK11 3 sector, and which are new since 2020

Map of every postcode in the MK11 3 sector, by new since 2020 Of the 25 postcodes in the MK11 3 sector that ONS places, 25 were in use before 2020. Places named: Bradwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. MK11 3AA: before 2020MK11 3DP: before 2020MK11 3DR: before 2020MK11 3EA: before 2020MK11 3ER: before 2020MK11 3ES: before 2020MK11 3ET: before 2020MK11 3EU: before 2020MK11 3EW: before 2020MK11 3HA: before 2020MK11 3HB: before 2020MK11 3HD: before 2020MK11 3HE: before 2020MK11 3HF: before 2020MK11 3HG: before 2020MK11 3HL: before 2020MK11 3HQ: before 2020MK11 3HR: before 2020MK11 3JB: before 2020MK11 3LH: before 2020MK11 3LJ: before 2020MK11 3LL: before 2020MK11 3LT: before 2020MK11 3LW: before 2020 Bradwell Map of every postcode in the MK11 3 sector, by new since 2020 Of the 25 postcodes in the MK11 3 sector that ONS places, 25 were in use before 2020. Places named: Bradwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Bradwell
  • New since 2020: 0
  • In use before 2020: 25

Of the 25 postcodes in the MK11 3 sector that ONS places, 25 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. 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 MK11 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.

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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