This file is a exact fit lookup between 2011 Output Areas, Clinical Commissioning Groups, Sustainability Transformation Partnerships and NHS England (Region), as at 1 April 2020 in England. (File size - 5MB). Field Names - OA11CD, CCG20CD, CCG20NM, STP20CD, STP20NM, NHSER20CD, NHSER20NM, FIDField Types - Text, Text, Text, Text, Text, Text, Text, NumericField Lengths - 9, 9, 59, 9, 67, 9, 24FID = The FID, or Feature ID is created by the publication process when the names and codes / lookup products are published to the Open Geography portal. REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/OA11_CCG20_STP20_NHSER20_EN_LU_80464d327f4146e1864bdc49da4b9746/FeatureServer