OS Open Names

OS Open Names is a comprehensive dataset of place names, roads numbers and postcodes for Great Britain.

  • Addressing and location
  • Download
  • OS OpenData Plan (FREE)
  • Premium Plan
  • Public Sector Plan

This product is updated quarterly

Representation of data provided
Representation of data provided
© Crown copyright and database rights. Ordnance Survey 2025

What OS Open Names provides you with

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.

OS Open Names

Technical information

© Crown copyright and database rights. Ordnance Survey 2025

Specifications

Access
  • Download
Data theme
  • Administrative and Statistical Units
  • Geographical Names
  • Transport
Data structure
Vector
Coverage
Great Britain
Scale
1:1250 to 1:10,000
Format
  • CSV
  • GML 3.2.1
  • GeoPackage
Ordering area
  • All of Great Britain
Publication months
  • January
  • April
  • July
  • October
OS Data Hub plan
  • OS OpenData Plan (FREE)
  • Premium Plan
  • Public Sector Plan

Documents and Support

Technical documentation

  • OS Open Names technical documentation
    Visit docs.os.uk to access all technical documentation for this product, including getting started guide, technical specification, release notes, and other supporting documents.
    link

OS Open Names

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What you get

Key features
  • Accurate locations of streets and postcodes
  • Place name data
  • Comprehensive National Grid data
Category
Addressing and location
Access
  • Download
Data structure
Vector
Update frequency
Quarterly

How to access

OS OpenData is free

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Further support

For further help about how our data can transform your organisation, contact us today

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