EC1Y 4 postcode sector in the EC1Y district

EC1Y 4 is a sector of the EC1Y district: every postcode that starts EC1Y 4. It has 10 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 EC1Y 4 sector, and which are new since 2020

Map of every postcode in the EC1Y 4 sector, by new since 2020 Of the 10 postcodes in the EC1Y 4 sector that ONS places, 10 were in use before 2020. Places named: Bunhill, Coleman Street. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1 EC1Y 4AB: before 2020EC1Y 4SA: before 2020EC1Y 4SB: before 2020EC1Y 4SE: before 2020EC1Y 4SF: before 2020EC1Y 4TW: before 2020EC1Y 4TY: before 2020EC1Y 4UP: before 2020EC1Y 4UQ: before 2020 BunhillColeman Street Map of every postcode in the EC1Y 4 sector, by new since 2020 Of the 10 postcodes in the EC1Y 4 sector that ONS places, 10 were in use before 2020. Places named: Bunhill, Coleman Street. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. BunhillColeman Street
  • New since 2020: 0
  • In use before 2020: 10

Of the 10 postcodes in the EC1Y 4 sector that ONS places, 10 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. Names in italics are council wards: we hold no town or village names here.

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

Postcodes in EC1Y 4

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.

EC1Y 4ABEC1Y 4SAEC1Y 4SBEC1Y 4SEEC1Y 4SFEC1Y 4TWEC1Y 4TYEC1Y 4UPEC1Y 4UQEC1Y 4YY

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.

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