HEATKEYS

Commercial ZIP code database software - Rated #1 - with area code, county, latitude, longitude, MSA, PMSA, FIPS code, and timezone. Updated monthly.

Zipoid (Free ZIP Code finder) - free ZIP Code verification, look-up and distance calculator tool.

Free online searches and ZIP code database downloads, with zip codes and latitude and longitude for performing distance calculations. Includes full documentation.

For mapping software, geographic information system, GIS Spatial data, web GIS software in USA contact eSpatial.

ZIP Express Software: is a utility allowing easy look up of U.S. ZIP Codes and their associated cities, states, counties, area codes, time zones and current time. Search by ZIP Code, City, County, State or Area Code. Auto paste data in any format int...

ZIP Code Database list & Demographics - ZIP Codes by City with Boundary Data - Free ZIP Code Finder - or Download the Data - Maps, Zip Codes, Area Codes, Household Income, Current Population, Multi County Data, Postal codes, MSA codes, CBSA codes...

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SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Caliper Corporation develops state-of-the-art GIS software: Maptitude Mapping Software, TransCAD Transportation Planning Software, and TransModeler Traffic Simulation Software

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