Baltimore CityThis dataset represents the City of Baltimore's zip code boundaries. To leave feedback or ask a question about this dataset, please fill out the following form: Zip Codes feedback form.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/22890b46ccc24872931821ad6c099ec1_0engOpen BaltimorePublicZip Codes [Maryland--Baltimore]Web servicesMaryland--BaltimoreMarylandLast Modified: 2025-12-04