EC3V 3 postcode sector in the EC3V district

EC3V 3 is a sector of the EC3V district: every postcode that starts EC3V 3. It has 22 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 EC3V 3 sector, by flood risk

Map of every postcode in the EC3V 3 sector, by flood risk Of the 22 postcodes in the EC3V 3 sector that ONS places, 22 are not on the Environment Agency's at-risk list. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. EC3V 3DG: not on the flood risk listEC3V 3LF: not on the flood risk listEC3V 3LL: not on the flood risk listEC3V 3LN: not on the flood risk listEC3V 3LP: not on the flood risk listEC3V 3LQ: not on the flood risk listEC3V 3LT: not on the flood risk listEC3V 3NA: not on the flood risk listEC3V 3NB: not on the flood risk listEC3V 3ND: not on the flood risk listEC3V 3NF: not on the flood risk listEC3V 3NG: not on the flood risk listEC3V 3NH: not on the flood risk listEC3V 3NL: not on the flood risk listEC3V 3NP: not on the flood risk listEC3V 3NR: not on the flood risk listEC3V 3PD: not on the flood risk listEC3V 3PF: not on the flood risk listEC3V 3QQ: not on the flood risk listEC3V 3QX: not on the flood risk listEC3V 3SG: not on the flood risk list City of London Map of every postcode in the EC3V 3 sector, by flood risk Of the 22 postcodes in the EC3V 3 sector that ONS places, 22 are not on the Environment Agency's at-risk list. Places named: City of London. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. City of London
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 22

Of the 22 postcodes in the EC3V 3 sector that ONS places, 22 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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 EC3V 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: 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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