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Geographic Append Service

Empower Location Intelligence with Rooftop Geocoding

Append precise rooftop latitude and longitude information to the street addresses that you have gathered in your mailing list, website, or other business contact-dependent process. Use these geo-coordinates with a mapping program to determine the distance between any two sites, pinpoint customer locations, or find the closest dealer to a customer. Use the tract and block numbers to link addresses to demographic information and valuable Census marketing data.

The Power of Conflated Data

Melissa Data geocodes 99% of U.S. Addresses to the rooftop level. We accomplish this by incorporating spatial data from multiple data sources - including the USPS® - a process called "conflation," which consolidates the data and selects the best recorded point.


  • Pinpoint customer locations
  • Calculate distance accurately
  • Make better business decisions

Geographic Append Services Price Chart

Required Fields:

Address; City; State; and 5-digit ZIP Code.

Returned Fields:

ZIP + 4®; Latitude; Longitude; Census block (4-digit); Census tract; county FIPS; and Geo Error.

Geographic Append Services Demographic Append Services

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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's flagship Contact Zone enables data stewards to quickly create complex data quality and data integration routines with visual programming. 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.