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Easily Validate Addresses, Get ZIP + 4® Codes & More

ZIP*USA compares U.S. addresses against the National Address database from the USPS®. If the address is verified, ZIP*USA returns the correct ZIP+4, carrier route, and delivery point codes, county name, time zone, and area code. ZIP*USA gives you access to address information on 123 million addresses nationwide, including addresses in Puerto Rico, Guam, and American Samoa. You’ll be able to look up companies, ZIP codes in a city, street names and cities in a ZIP Code.


  • Get inexpensive address verification
  • Reduce data entry time
  • Complete inaccurate or missing data


  • Returns ZIP+4, carrier routes, and more
  • Access to 123 million U.S. addresses
  • Free unlimited technical support. Learn more.
ZIP*USA, Easily Validate Addresses, Get ZIP+4 Codes and More!

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Melissa Data
The leading international provider of data quality and address verification software. Melissa Data's affordable, easy-to-use solutions for data cleaning and deduplication can be used separately or together to provide full global data quality. Melissa Data specializes in Microsoft .NET and SQL Server Integration Services, IBM, Java and Oracle environments with APIs, Web services and enterprise plugins that empower batch and real-time applications. Melissa Data also provides a full line of direct marketing solutions including mailing software, list hygiene and data append services, and a comprehensive line of mailing lists and sales leads.