🇬🇧 United Kingdom · Wales

Cardiff postcodes

Cardiff, Wales, has 6 postcode districts, from CF10 to CF24. Which one applies depends on the street address.

Postcode Districts
6
Population
372,089
Region
Wales
Coordinates
51.48, -3.18

All Cardiff postcode districts

CF10CF11CF14CF15CF23CF24

Data: GeoNames (CC BY 4.0) and zipcodestack.

UK postcodes have two parts. These lists show the first part, the postcode district (outward code), e.g. SW1A. A full postcode such as SW1A 1AA covers around 15 addresses; the zipcodestack API covers 2.6 million full UK postcodes.

Frequently asked questions

What is the postcode of Cardiff?

Cardiff has 6 postcode districts in Wales. The right code depends on the street address; the list on this page shows all of them, starting with CF10.

How many postcode districts does Cardiff have?

Our data lists 6 postcode districts for Cardiff, United Kingdom.

How do I find the exact postcode for an address in Cardiff?

Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any postcode and can search codes by city or by radius.

Postal code API

Cardiff postcode districts in your app

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/code/city documentation ZIP code API All documentation

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GET https://api.zipcodestack.com/v1/code/city?city=Cardiff&country=gb

{
  "query": { "city": "Cardiff", "country": "gb" },
  "results": ["CF10", "…"]
}

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