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.

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 online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:
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