MK77 postcode district: Milton Keynes and around

MK77 is a postcode district in England, with 64 postcodes in use in 1 sector. It has postcodes in Milton Keynes and Bletchley. Its council is Milton Keynes.

Postcodes in use
64
Sectors
1
Council
Milton Keynes
Places
2 places

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

Every postcode in MK77, and which are new since 2020

Map of every postcode in MK77, by new since 2020 Of the 64 postcodes in MK77 that ONS places, 1 are new since 2020 and 63 were in use before 2020. Places named: Milton Keynes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5 MK77 1ST: before 2020MK77 1SE: new since 2020 Milton Keynes Map of every postcode in MK77, by new since 2020 Of the 64 postcodes in MK77 that ONS places, 1 are new since 2020 and 63 were in use before 2020. Places named: Milton Keynes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A5 Milton Keynes
  • New since 2020: 1
  • In use before 2020: 63

Of the 64 postcodes in MK77 that ONS places, 1 are new since 2020 and 63 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 52.0415, longitude -0.8173. 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 newest postcode

MK77 1SEMay 2021

Is MK77 at risk of flooding?

None of the 64 postcodes in MK77 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

Postcodes in MK77

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

MK77 164 postcodes
UK postcode format explained

Places in MK77

Towns and villages with postcodes in MK77, and how many each has here.

Milton Keynes postcodes,63Bletchley postcodes,1

Who covers MK77

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

  • Milton Keynes North63
  • Buckingham and Bletchley1

Police force areas

  • Thames Valley64

Next to MK77

MK46 postcode district All MK districts Milton Keynes postcodes

"Next to" is by number: the district before MK77 in the MK area.

Check a postcode

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