HEATKEYS

Accurate and up-to-date ZIP code databases and programs with ZIP code related information such as area code, county, latitude, longitude, MSA, PMSA, FIPS code, time zone, and place FIPS. ZIP code data available for immediate download. All ZIP code da...

Proximity/MESA is a leader in decision support system software, modeling, databases and information technology. This site features free data access, GIS software, on-line data analysis, user support, training, demos, geographic data.

An updated, free lisitng of US zip codes

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...

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

The U.S. Department of Labor is charged with preparing the American workforce for new and better jobs. DOL is responsible for the administration and enforcement of over 180 federal statutes.

Mapland add in mapping software works inside Microsoft Excel. Mapland allows you to map your data quickly and easily. Insert your maps into PowerPoint, Word, Photoshop and Illustrator.

US federal agency which administers Medicare, Medicaid, and the Children