Postal Code Finder
Registry / United Kingdom / Postal code prefixes / CF23 /

Postal code CF23 in Cardiff, United Kingdom

Postal code CF23 is mapped to 1 locality record in United Kingdom with administrative hierarchy and coordinates.

Verified data profile for Postal code CF23

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
CF23
Example code
Postal code Locality Administrative path Coordinates
CF23 Cardiff Wales 51.5144, -3.1545

Related postal lookups

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CF10
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CF14
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CF24
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CF3
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Postal code validation data

Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/united-kingdom/code/cf23.

Records
1
Database rows represented by this canonical route.
Postal identifiers
1
Distinct postal code values available for this page.
Localities
1
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Example
CF23
Sample code from Cardiff.
Code Place Hierarchy Coordinates
CF23 Cardiff Wales 51.5144, -3.1545
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
Use the API
Query postal codes by country, place name, region or code prefix.
Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

United Kingdom
Country
CF10
Nearby postal code · 1 records
CF11
Nearby postal code · 1 records
CF14
Nearby postal code · 1 records
CF15
Nearby postal code · 1 records
CF24
Nearby postal code · 1 records
CF3
Nearby postal code · 9 records

Data questions

How should I validate CF23?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.

How to validate postal code CF23

Treat CF23 as a text value, not a number. Postal identifiers can contain leading zeroes, spaces or letters in other countries, so applications should validate the country and original string together. For this page, the code is valid when it appears with one of the mapped localities below and the administrative path belongs to United Kingdom.

United Kingdom lookup
Open the country-level hierarchy and dataset exports.
Browse all prefixes
Compare this code with neighboring country ranges.

Mapped localities

Cardiff
Wales
51.5144, -3.1545

Common lookup mistakes

A postal code can map to more than one locality record, and the same locality name can appear in different administrative areas. Always compare the country, postal code, place name and region together before treating a match as final.

Coordinates on this page are useful for map previews and approximate area checks. They should be read as locality or postal-area centroids, not as exact delivery addresses. For bulk validation, download the country dataset and keep this canonical URL as the human-readable reference for the code.

Nearby postal code lookups

These neighboring identifiers help compare adjacent code ranges inside United Kingdom. Each link opens a canonical postal-code page with its mapped places and administrative context.

CF10
Cardiff
CF11
Cardiff
CF14
Cardiff
CF15
Cardiff
CF24
Cardiff
CF3
Began
CF30
Llanrumney Community
CF31
Bridgend