Melissa Address Key:Technology

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Introducing the MAK™ Number

Melissa Address Key™ number or MAK™ number is a persistent 10 digit number that never changes. Much like a barcode or ISBN, this key identifies a discrete physical street address and aligns a multitude of additional information associated with each particular address; such as detailed geographic information, deduplication, property shape, etc.

Technology’s Past

  • Addresses could only be identified with an actual physical address
  • Searching & Matching records was imprecise and time consuming
  • USPS address changes were unpredictable

MAK™ Number's Present

  • Melissa Data can return a MAK™ number that uniquely identifies a location with precision
  • A MAK™ number is available for every address within the USA and Canada
  • Resolution of the MAK™ number is to the apartment or suite level
  • For apartments and suites, a Base MAK™ number is available to determine the base location
  • MAK™ numbers are 10 digit numbers that are easy to store and retrieve
  • Searching & matching records is highly efficient
  • MAK™ numbers provide true data anonymity
  • USPS changes ZIP Codes. The MAK™ number never changes
  • Cities change street names and even city names. The MAK™ number never changes
  • All changes are saved to the MAK™ Transaction table
  • Over 190 million MAK™ numbers are assigned to addresses in the U.S.
  • To learn more about The Master Address Table, visit this link

MAK™ Number's Future

  • Melissa Address Key™ numbers will eventually standardize every address in the world
  • Users to be provided with MAK™ addresses and will be able to retrieve the information with only a MAK™ number
  • Melissa Data will provide constant updates of MAK™ numbers indicating address changes
  • Continually relevant usability due to the rollout of products harnessing the geo-spatial reach of MAK™ numbers