ML1 4 postcode sector in the ML1 district
ML1 4 is a sector of the ML1 district: every postcode that starts ML1 4. It has 347 postcodes in use.
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Every postcode in the ML1 4 sector, and which are new since 2020
- New since 2020: 2
- In use before 2020: 345
Of the 347 postcodes in the ML1 4 sector that ONS places, 2 are new since 2020 and 345 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.
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 2 newest postcodes
Postcodes in ML1 4
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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
Other sectors in ML1
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