The specific file is likely a specialized dataset containing geographic or administrative information related to Washington State or Washington, D.C. While the exact numeric string "1,121,721" does not appear as a universal identifier, its format and size suggest it is a versioned or filtered export from a mapping or census platform. Common Features of Such Datasets
: Polygons representing Washington ZIP code areas , county borders, or neighborhood statistical areas. United-States-(Washington)-1,121,721.zip
: Statistical breakdowns often used for health planning or urban development. The specific file is likely a specialized dataset
: The primary mailing identifiers used by the USPS. : Statistical breakdowns often used for health planning
: Tables that link specific codes to Snohomish, King, or other Washington counties .
Based on typical file naming conventions for United States ZIP code datasets and geospatial repositories like Data.gov , files with this structure generally contain:
: If sourced from providers like Geofabrik , these ZIP files provide raw map data (roads, buildings, waterways) for use in GIS software. Key Data Attributes If this is a postal-related dataset, it typically features: