EC4A 4 postcode sector in the EC4A district

EC4A 4 is a sector of the EC4A district: every postcode that starts EC4A 4. It has 17 postcodes in use, 2 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 EC4A 4 sector, and which are new since 2020

Map of every postcode in the EC4A 4 sector, by new since 2020 Of the 17 postcodes in the EC4A 4 sector that ONS places, 3 are new since 2020 and 14 were in use before 2020. Places named: Farringdon Within, Castle Baynard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A201A1A40A4 EC4A 4AB: before 2020EC4A 4AD: before 2020EC4A 4AF: before 2020EC4A 4AH: before 2020EC4A 4AJ: before 2020EC4A 4AN: before 2020EC4A 4AS: before 2020EC4A 4AU: before 2020EC4A 4AX: before 2020EC4A 4BD: before 2020EC4A 4BL: before 2020EC4A 4HH: before 2020EC4A 4HL: before 2020EC4A 4LL: before 2020EC4A 4AL: new since 2020EC4A 4AW: new since 2020EC4A 4AZ: new since 2020 Farringdon WithinCastle Baynard Map of every postcode in the EC4A 4 sector, by new since 2020 Of the 17 postcodes in the EC4A 4 sector that ONS places, 3 are new since 2020 and 14 were in use before 2020. Places named: Farringdon Within, Castle Baynard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A201A40 Farringdon WithinCastle Baynard
  • New since 2020: 3
  • In use before 2020: 14

Of the 17 postcodes in the EC4A 4 sector that ONS places, 3 are new since 2020 and 14 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. 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

The 3 newest postcodes

EC4A 4AZJanuary 2026EC4A 4ALJuly 2025EC4A 4AWApril 2025

Postcodes in EC4A 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.

EC4A 4ABEC4A 4ADEC4A 4AFEC4A 4AHEC4A 4AJEC4A 4ALEC4A 4ANEC4A 4ASEC4A 4AUEC4A 4AWEC4A 4AXEC4A 4AZEC4A 4BDEC4A 4BLEC4A 4HHEC4A 4HLEC4A 4LL

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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