US Postal ServiceZip Codes (5-digit). The dataset polygons represent location and attributes of zip codes, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Zip Codes were identified from public records (US Postal Service) and created selecting arcs from the street centerlines and vector property map.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/5637d4bb43a34668b19fe630120d2b70_4engOpen Data DCPublicZip Codes [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2022-10-14