MK9 postcode district

Postcodes and sectors

262 of the district's 683 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 52.04073, -0.75563, which locates the district, not a building.

Companies registered in MK9

Companies House lists 3,646 companies with a registered office in MK9; 1,933 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 MK9

• Milton Keynes
• South East

Roads filed under MK9

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.

• Acorn Walk
• Adelphi Street
• Albion Place
• Amelias Lane
• Avebury Boulevard
• Blairmont Street
• Borough Walk
• Buckingham Square
• Canal Broadwalk
• Canal Street
• Colgrain Street
• Columbia Place
• Crown Walk
• Dalgin Place
• Eagle Walk
• East Walk North
• East Walk South
• Elder Gate
• Enmore Gate
• Enterprise Lane
• Eskan Court
• Field Walk
• Garrick Walk
• Glenstal Place
• Gold Oak Walk
• Grafton Gate
• Henrietta Way
• Highbury Lane
• Holkham Walk
• Lower Eighth Street
• Lower Fourth Street
• Lower Ninth Street
• Lower Second Street
• Lower Tenth Street
• Lower Third Street
• Lower Twelfth Street
• Mara Place
• Margaret Powell Square
• Marlborough Gate
• Marlborough Street
• Midsummer Arcade
• Midsummer Boulevard
• Mortimer Square
• North Eleventh Street
• North Fifth Street
• North Fourteenth Street
• North Fourth Street
• North Ninth Street
• North Row
• North Second Street
• North Seventh Street
• North Sixth Street
• North Tenth Street
• North Third Street
• North Thirteenth Street
• North Twelfth Street
• Oak Court
• Overgate
• Park Street
• Petersfield Green

Check an address in MK9

Check an address in MK9

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=MK9" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about MK9

What does an MK9 postcode tell you?

That the address lies in the MK9 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 262 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 MK9

• MK61.5 km
• MK132.3 km
• MK152.5 km
• MK142.5 km
• MK53.0 km
• MK83.7 km
• MK104.0 km
• MK204.4 km
• MK14.5 km
• MK124.6 km
• MK44.7 km
• MK75.0 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids