MK4 postcode district

Postcodes and sectors

628 of the district's 802 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 52.00304, -0.78591, which locates the district, not a building.

Companies registered in MK4

Companies House lists 1,608 companies with a registered office in MK4; 91 of them at addresses shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for MK4

• Milton Keynes
• South East
• Bletchley

Roads filed under MK4

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• Abbotsbury
• Allerford Court
• Allington Circle
• Alstonefield
• Alton Gate
• Amberley Walk
• Andersen Gate
• Appleton Mews
• Archford Croft
• Arlington Court
• Askerton Crescent
• Austwick Lane
• Babylon Grove
• Balcary Grove
• Bamburgh Gate
• Bampton Close
• Banktop Place
• Barkestone Close
• Barleycroft
• Barnsdale Drive
• Barnstaple Court
• Beacon Court
• Beckett Street
• Bellamy Mews
• Belvoir Avenue
• Benacre Croft
• Benmore Rise
• Beresford Close
• Bergman Close
• Berrington Grove
• Bickleigh Crescent
• Bilbrook Lane
• Bingham Close
• Birchen Lee
• Blackmoor Gate
• Blakeney Court
• Blansby Chase
• Blyth Court
• Blyton Lane
• Bodnant Court
• Bogart Place
• Bottesford Close
• Bowland Drive
• Bradley Grove
• Brantwood Close
• Braybrooke Drive
• Brendon Court
• Bretby Chase
• Bridgemere Close
• Bridgnorth Drive
• Bronte Avenue
• Brownset Drive
• Brushford Close
• Buchan Close
• Burholme
• Burton Way
• Buzzacott Lane
• Bywell Court
• Cagney Crescent
• Caister Court

Check an address in MK4

Check an address in MK4

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=MK4" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about MK4

What does an MK4 postcode tell you?

That the address lies in the MK4 district of the MK (Milton Keynes) postcode area, and the place OS Open Names most often lists first for its postcodes is Milton Keynes. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 628 live postcodes.

Where the counts come from

• ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
• os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
• uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest MK4

• MK52.0 km
• MK32.6 km
• MK83.7 km
• MK64.2 km
• MK14.2 km
• MK24.4 km
• MK94.7 km
• MK135.6 km
• MK176.2 km
• MK126.5 km
• MK116.5 km
• MK76.7 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids