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...

For data quality management tools, mailing software, consumer and residential mailing lists, address verification, and NCOA services, visit MelissaData.com, a leading source of cost effective, direct marketing database solutions.

MapQuest Developer Network welcome page for guest users. Get all the information you need and sign up for the MapQuest Platform.

World Atlas is an educational resource for world maps, atlases, and in-depth geography information. Teachers and students: free maps of Europe, USA, Canada, Florida, Caribbean Islands and much more. Worldatlas.com

SmartyStreets is the leading mailing list software and address hygiene services provider. We provide on-demand USPS CASS Scrubbing and postal address verification, validation, certification, and standardization services that are CASS-Certified(TM) by...

An updated, free lisitng of US zip codes

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