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OS Open Names support

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

OS Open Names Specification Changes

We’ve made some fantastic enhancements to OS Open Names.

We’ve expanded the classifications for Types and Local Types to include everything we make available in OS Names API. We’ve added features like train and bus stations, schools and universities, hospitals and power stations; other named geographical features like islands, forests, and mountains, and a range of other classifications. From October 2018, you’ll get around 250,000 new features across 77 classifications. As a result of adding this new content, we’ve made some changes to the specification which can be found in the new Product Guide and Technical Specification under Useful downloads .

Is OS Open Names multi-lingual?

Yes, it contains Welsh, Scots and Gaelic names where applicable.

Can I open the file in Microsoft Excel?

In theory, yes, since Excel supports the CSV format in which we make it available. In practice, however, your computer might run very slowly unless you have installed a large amount of memory (8 Gb or more).

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