# Areas and Zones Portfolio

## Areas and zones products

This portfolio provides administrative, electoral and analytical boundaries data plus built-up areas and postcode data. It enables spatial analysis, policy development and demographic profiling across Great Britain.

The following downloadable products are available within the Areas and Zones Portfolio:

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><h3>Boundary-Line</h3></td><td>An open dataset that represents every administrative and electoral boundary and their names for Great Britain.</td><td><a href="areas-and-zones-portfolio/boundary-line">boundary-line</a></td><td data-object-fit="cover" data-alt="Example image showing Boundary-Line product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2Fg2jtn2ZL1gKpBGcWXq3Q%2FBoundary-Line-2.png?alt=media&#x26;token=a817cb14-6df1-4705-bd15-ef94a938df07">Boundary-Line-2.png</a></td></tr><tr><td><h3>Code-Point</h3></td><td>A postcode locator that locates over 1.7 million postcode units in Great Britain and Northern Ireland – providing information about delivery points, positional quality, type and district codes amongst other data points.</td><td><a href="areas-and-zones-portfolio/code-point">code-point</a></td><td data-object-fit="cover" data-alt="Example image showing Code-Point product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FZkpZwEKiV0b3QAcv2rR0%2FCode-Point-4.png?alt=media&#x26;token=b982d13f-ecd8-4ad4-920b-36e6164f103b">Code-Point-4.png</a></td></tr><tr><td><h3>Code-Point Open</h3></td><td>An open dataset of all 1.7 million postcode units in Great Britain.</td><td><a href="areas-and-zones-portfolio/code-point-open">code-point-open</a></td><td data-object-fit="cover" data-alt="Example image showing Code-Point Open product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2Fdeirn0CBM2uasdfC4MLr%2FCodepoint-Open-5.png?alt=media&#x26;token=6611da8c-a25f-49f0-af9c-92994131b577">Codepoint-Open-5.png</a></td></tr><tr><td><h3>Code-Point with Polygons</h3></td><td>A dataset providing the notional extent of every postcode in Great Britain for visualisation and analysis at a national scale.</td><td><a href="areas-and-zones-portfolio/code-point-with-polygons">code-point-with-polygons</a></td><td data-object-fit="cover" data-alt="Example image showing Code-Point with Polygons product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FwmZawD7lzIfReTGuLWm9%2FCodePoint_Polygons_Cover.webp?alt=media&#x26;token=c01ce9d4-27bd-4d1b-b1ef-02dea4dfa47c">CodePoint_Polygons_Cover.webp</a></td></tr><tr><td><h3>OS Open Built Up Areas</h3></td><td>A dataset representing Built Up Areas of Great Britain designed to underpin statistical analysis and contribute to policy enablement across the public sector.</td><td><a href="areas-and-zones-portfolio/os-open-built-up-areas">os-open-built-up-areas</a></td><td data-object-fit="cover" data-alt="Example image showing OS Open Built Up Areas product data over a background map of an urban area."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2F7UUNHEv4Rtiv0YwcXrb2%2FBuiltUpExtents.png?alt=media&#x26;token=a4e97994-3701-49d4-b779-b93ecbc2445f">BuiltUpExtents.png</a></td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.os.uk/os-downloads/products/areas-and-zones-portfolio.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
