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Professional search tool to find and investigate people and businesses, research phone numbers and addresses

SocialEngine is PHP community software that helps you build your own custom social network website. Advanced social networking features include blogs, photo albums, user groups and forums, providing complete control over the layout and functionality ...

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

Spheresoft develops add-in products for Microsoft Excel and Office

EllisLab

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

Zip code software list of all American zip codes in the USA. Download the latest zip code database files and zip code program.