WC2R 3 postcode sector in the WC2R district

WC2R 3 is a sector of the WC2R district: every postcode that starts WC2R 3. It has 16 postcodes in use, 4 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 WC2R 3 sector, and which are new since 2020

Map of every postcode in the WC2R 3 sector, by new since 2020 Of the 16 postcodes in the WC2R 3 sector that ONS places, 1 are new since 2020 and 15 were in use before 2020. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A201A301A401A40 WC2R 3AA: before 2020WC2R 3AT: before 2020WC2R 3BD: before 2020WC2R 3DA: before 2020WC2R 3DX: before 2020WC2R 3HU: before 2020WC2R 3JE: before 2020WC2R 3JF: before 2020WC2R 3JH: before 2020WC2R 3JJ: before 2020WC2R 3LA: before 2020WC2R 3LD: before 2020WC2R 3LL: before 2020WC2R 3XP: before 2020WC2R 3AL: new since 2020 St James's Map of every postcode in the WC2R 3 sector, by new since 2020 Of the 16 postcodes in the WC2R 3 sector that ONS places, 1 are new since 2020 and 15 were in use before 2020. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A301A401 St James's
  • New since 2020: 1
  • In use before 2020: 15

Of the 16 postcodes in the WC2R 3 sector that ONS places, 1 are new since 2020 and 15 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 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.

The newest postcode

WC2R 3ALJune 2026

Postcodes in WC2R 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.

WC2R 3AAWC2R 3ALWC2R 3ATWC2R 3BDWC2R 3DAWC2R 3DXWC2R 3HUWC2R 3HYWC2R 3JEWC2R 3JFWC2R 3JHWC2R 3JJWC2R 3LAWC2R 3LDWC2R 3LLWC2R 3XP

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

Licence: Open Government Licence v3.0.

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