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OS Open Names

OS Open Names is a comprehensive dataset of place names, roads numbers and postcodes for Great Britain. The data contains accurate and current settlement names, road names and numbers, postcodes and their locations, with additional contextual information and links to other datasets.

This product is updated quarterly in January, April, July, October.

A representation of OS Open Names data against a background map showing place names around Newcastle upon Tyne
A representation of OS Open Names data against a background map

Accurate locations of streets and postcodes

Let your customer-facing staff find places quickly when talking to callers. OS Open Names provides the accurate locations of streets and postcodes in Great Britain.

Place name data

Quickly look up places and roads with two names. OS Open Names contains place name data in English and their Welsh, Scots or Gaelic alternatives.

Comprehensive National Grid data

OS Open Names contains over 870 000 named and numbered roads, nearly 44 000 settlements and over 1.6 million postcodes, all matched/mapped to the National Grid.

How to get this product

Access to this OS OpenData product is free through the OS Data Hub.

Visualise OS Open Names data online

This product is available to try out free online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:

What's next?

To access additional documentation and resources relating to this product, please refer to the following:

New users should start with the Overview to gain high-level insight into the product. The Getting Started Guide will help you to begin using product data in different software systems. The Technical Specification contains detailed technical insights.

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