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Unlock geocodes

Users want to search by postcode, but your data is annotated with latitude-longitude coordinates? Use geocodes to crosswalk between different schemes for describing locations.

Note: These services are currently only available to academic subscribers to the Ordnance Survey Collection. We may have options for creating an approximate search using open data sources - please let us know if this would be really useful to you.

Lat-Lon to Postcode converter / query builder

API Key:

Latitude:

Longitude:

Postcode Units only:

i.e. EH9 1PR

All Postal areas:

i.e. EH9, EH9 1, EH9 1PR...

Note: Results page will open in a new window.

Postcode to Lat-Lon converter / query builder

API Key:

Postcode:

Note: Results page will open in a new window.