What does a CR90 postcode tell you?

That the address lies in the CR90 district of the CR (Croydon) postcode area, and the place OS Open Names most often lists first for its postcodes is London. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 46 live postcodes.

CR90 postcode district

CR90, in the CR (Croydon) postcode area, has 46 live and 342 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	CR (Croydon)
live postcodes	46
terminated postcodes	342
sectors	1
roads listed	0
centroid	51.37807, -0.11327
directory release	2026-08

Postcodes and sectors

46 of the district's 388 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 51.37807, -0.11327, which locates the district, not a building.

sector	live	terminated
CR90 9	46	342

Places OS Open Names lists for CR90

London
Croydon
Greater London

Roads filed under CR90

OS Open Names files no road under CR90, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in CR90

Common questions about CR90

What does a CR90 postcode tell you?: That the address lies in the CR90 district of the CR (Croydon) postcode area, and the place OS Open Names most often lists first for its postcodes is London. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 46 live postcodes.

Where the counts come from

ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest CR90

CR91.1 km
CR72.4 km
CR02.5 km
SM62.8 km
SE253.4 km
CR24.0 km
SM54.0 km
CR44.3 km
SE194.8 km
SW164.9 km
CR85.1 km
SE205.3 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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