CF91 postcode district: Cardiff and around
CF91 is a postcode district in Wales, with 14 postcodes in use in 2 sectors. It has postcodes in Cardiff. Its council is Cardiff.
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in CF91, and which are new since 2020
- New since 2020: 0
- In use before 2020: 14
Of the 14 postcodes in CF91 that ONS places, 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. 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.
The middle of its postcodes: latitude 51.4655, longitude -3.1940. Open this area on OpenStreetMap
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 CF91
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in CF91
Towns and villages with postcodes in CF91, and how many each has here.
Who covers CF91
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
- Cardiff14
Constituencies
- Cardiff South and Penarth14
Police force areas
- South Wales14
Next to CF91
"Next to" is by number: the districts before and after CF91 in the CF area.
Check a postcode
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