M4 3 postcode sector in the M4 district

M4 3 is a sector of the M4 district: every postcode that starts M4 3. It has 11 postcodes in use, 3 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 M4 3 sector, by gigabit broadband

Map of every postcode in the M4 3 sector, by gigabit broadband Of the 11 postcodes in the M4 3 sector that ONS places, 1 have no home or business that can get gigabit, 1 have some that can, 7 can all get it and 2 have no Ofcom figure. Places named: Piccadilly, Deansgate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A6A56A6042 M4 3AD: no Ofcom figureM4 3BG: no Ofcom figureM4 3AB: gigabit for allM4 3AG: gigabit for allM4 3AH: gigabit for allM4 3AJ: gigabit for allM4 3AT: gigabit for allM4 3DU: gigabit for allM4 3TR: gigabit for allM4 3AL: no gigabit PiccadillyDeansgate Map of every postcode in the M4 3 sector, by gigabit broadband Of the 11 postcodes in the M4 3 sector that ONS places, 1 have no home or business that can get gigabit, 1 have some that can, 7 can all get it and 2 have no Ofcom figure. Places named: Piccadilly, Deansgate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. PiccadillyDeansgate
  • No home or business can get gigabit: 1
  • Some can get gigabit: 1
  • Every home and business can get gigabit: 7
  • Ofcom gives no figure: 2

Of the 11 postcodes in the M4 3 sector that ONS places, 1 have no home or business that can get gigabit, 1 have some that can, 7 can all get it and 2 have no Ofcom figure.

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. 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

Postcodes without gigabit

Postcodes in M4 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: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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