Download State Line Zip < Firefox >

These are vector digital data files (shapefiles) compatible with most GIS software. 2. ZIP Code Boundaries

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

The nationwide state boundary file for 2025 is available as tl_2025_us_state.zip . These are vector digital data files (shapefiles) compatible

You can download these by state or for the entire nation from the Gazetteer Files or the Cartographic Boundary Files . The nationwide state boundary file for 2025 is

Many states provide their own localized ZIP downloads for higher accuracy. For example:

Provides ZIP files for specific legal documents like Court Opinions sorted by date. How to Access the Data

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