get https://{host}/li/geocode/18.1/locationCode
Looks up locationCode-level reference data.
The Location Code resolution level (GeoResolutionCode 5) represents postal code area in the United Kingdom.
LocationCode-level reference data includes locationCode and locationCodeGeoId geolocation data. The service also returns country-level, admin1-level, admin2-level, and city-level geolocation data.