EC4M 5 postcode sector in the EC4M district

EC4M 5 is a sector of the EC4M district: every postcode that starts EC4M 5. It has 3 postcodes in use, one of them a large-user postcode. 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 EC4M 5 sector, and which are new since 2020

Map of every postcode in the EC4M 5 sector, by new since 2020 Of the 3 postcodes in the EC4M 5 sector that ONS places, 1 are new since 2020 and 2 were in use before 2020. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3211 EC4M 5AB: before 2020EC4M 5SB: before 2020EC4M 5UB: new since 2020 City of London Map of every postcode in the EC4M 5 sector, by new since 2020 Of the 3 postcodes in the EC4M 5 sector that ONS places, 1 are new since 2020 and 2 were in use before 2020. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3211 City of London
  • New since 2020: 1
  • In use before 2020: 2

Of the 3 postcodes in the EC4M 5 sector that ONS places, 1 are new since 2020 and 2 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.

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

EC4M 5UBJuly 2023

Postcodes in EC4M 5

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.

EC4M 5ABEC4M 5SBEC4M 5UB

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

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.