OS Open Names

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Dataset Description:

OS Open Names is a gazetteer dataset of place names, road numbers, and postcodes, matched to National Grid coordinates.

The product contains:

  • Over 870,000 named and numbered roads
  • Nearly 44,000 settlements
  • Over 1,600,000 postcodes

Dataset Thumbnail:

Dataset Specification:

Product Name:

OS Open Names

Data Provider:

Ordnance Survey



Great Britain (complete)

Data Structure:

Vector (points)


Esri Shapefile, Esri File GeoDatabase, MapInfo TAB, MID/MIF, Autodesk DWG, OGC KML, OGC GML, CSV (attribute data only) & API

Key Attributes:

Unique 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


Addressing and Location


OS OpenData Licence

Update Frequency:

Quarterly (January, April, July, October)

Dataset Resources: