Download State Line Zip -

For relating ZIP codes to other geographies (like counties or states), the HUD-USPS ZIP Code Crosswalk API allows you to download crosswalk data for specific states or for all states in a specific quarter. 3. State-Specific Reports & GIS Data

The Census Bureau uses , which are generalized representations of USPS ZIP code service areas. Download State Line zip

You can download these by state or for the entire nation from the Gazetteer Files or the Cartographic Boundary Files . For relating ZIP codes to other geographies (like

The official state boundary lines are available through the TIGER/Line Shapefiles . or CSV formats.

This is the primary portal for searching and downloading tables in ZIP, Excel, or CSV formats.