These are vector digital data files (shapefiles) compatible with most GIS software. 2. ZIP Code Boundaries
To download state lines and ZIP code boundaries, the provides the official geographic data in compressed ZIP files containing shapefiles or Gazetteer files. 1. State Line Boundaries Download State Line zip
Select the year and the geographic layer (e.g., "States" or "ZIP Code Tabulation Areas") to generate a download link. Census Bureau Data These are vector digital data files (shapefiles) compatible
The official state boundary lines are available through the TIGER/Line Shapefiles . Download State Line zip
You can download these by state or for the entire nation from the Gazetteer Files or the Cartographic Boundary Files .