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Identifying recycled telephone numbers

  • US 9,680,989 B2
  • Filed: 10/19/2015
  • Issued: 06/13/2017
  • Est. Priority Date: 12/11/2012
  • Status: Active Grant
First Claim
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1. An apparatus operative in association with one or more service provider opt-in databases, comprising:

  • one or more hardware processors; and

    computer memory holding computer program instructions executed by the one or more hardware processors to;

    receive one or more de-activation lists from one or more carriers;

    periodically, and for each telephone number identified on a given de-activation list, issue a request to determine a current carrier associated with that telephone number;

    when the current carrier does not match an identification of a carrier that had identified the telephone number as being de-activated, identify the telephone number as being ported; and

    for each ported telephone number, log an identification thereof.

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