Skip to content

OS Open Names support

OS Open Names lists definitive place names, roads numbers and postcodes in Great Britain – 2.5 million accurate locations.

Getting started

The contents of this Getting Started Guide are designed to assist with the management, viewing and use of the OS Open Names product.

User guide (PDF)

OS Open Names is a geographic directory that contains basic information about identifiable places (Named Place).

OS Open Names FAQs

OS Open Names contains accurate and current settlement names, road names and numbers, postcodes and their locations with additional contextual information and links to other datasets.


Key FeaturesWhat this product offers
ThemesPlace names; postcodes; road names and road numbers
AttributesUnique IDs; alternative names – Welsh, Scots Gaelic; administrative areas; place names hierarchy; bounding boxes for roads and settlements; geo-referenced to the National Grid; links to DBPedia and Geonames.
FormatsCSV, GeoPackage, GML and API
SupplyOnline download, DVD and API
Update frequencyQuarterly – January, April, July and October
CoverageGreat Britain