County and Unitary Authority (April 2025) Names and Codes in the UK

Open data API in a single place

Provided by Office for National Statistics

Get early access to County and Unitary Authority (April 2025) Names and Codes in the UK API!

Let us know and we will figure it out for you.

Dataset information

Catalog
Office for National Statistics catalog
Country of origin
United Kingdom
Updated
2026.02.23 07:57
Created
2026.01.08
Available languages
English
Keywords
Counties and Unitary Authorities, Counties, UK, APR_2025, NAC_CTYUA, 2025, Metropolitan Counties, NAC_ADM, United Kingdom
Datasource
Official portal for European data link
Quality scoring

Dataset description

<p><span style='background-color:rgb(255,255,255); color:rgb(0,0,0); font-family:Lato, &quot;Avenir Next&quot;; font-size:18px;'><span style='border:0px solid currentcolor; box-sizing:border-box; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>A file containing the counties and unitary authorities (counties, metropolitan counties, London boroughs, unitary authorities, council areas and local government districts) in the United Kingdom as at 1st April 2025. (File Size = 40KB)</span></span></p><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><span style='color:rgb(0,0,0); font-family:Lato, &quot;Avenir Next&quot;; font-size:18px;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;'>Field Names - CTYUA25CD, CTYUA25NM, CTYUA25NMW</span></span></div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><span style='color:rgb(0,0,0); font-family:Lato, &quot;Avenir Next&quot;; font-size:18px;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;'>Field Types - Text, Text, Text,&nbsp;</span></span></div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><span style='color:rgb(0,0,0); font-family:Lato, &quot;Avenir Next&quot;; font-size:18px;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;'>Field Lengths - 9, 35, 24</span></span></div>
European data infrastructure with broad catalog discovery, free evaluation access and production-grade API options.
190K+
indexed dataset pages
32
countries and EU institutions
2019
API-first since
Free API quota
for evaluation and prototypes
SLA
history and push on production APIs
FAQ

Questions before production use

Practical answers on evaluation, licensing, freshness, versioning and support.

api.store is built and operated by Apitalks s.r.o. Company details and a direct contact path are linked in the footer for vendor checks and procurement review.
Yes. Selected APIs include a free API quota, so your team can validate coverage, freshness, response shape and workflow fit before asking for a production plan.
Often yes, but usage rights depend on the source license and dataset. We surface source, license and update metadata where available, and can help review terms before a production integration.
Maintained APIs include update metadata where available. For production integrations, we can add history, monitoring and push updates so changes are easier to detect and act on.
Production APIs can add SLA, stable identifiers, versioning support, history, push updates and direct support around the data your product or AI workflow depends on.

Didn't find the API you need?

Let us know and we will figure it out for you.

api.storeBuilt by Apitalks

European data discovery with free evaluation access and production-grade API options.

About api.storePrivacyTerms of Service
Copyright © 2026. Made by Apitalks