Phone Services


Improve your campaign results by getting the correct and current phone numbers appended. National Auto Data provides the most accurate Landline and Wireless products that stand alone in the industry.


National Auto Data provides access to the most accurate and complete dataset of landline residential listings. Updated directly with major Telecommunication providers in North America, as well as CLEC, VoIP, and Cable telephone sources.


  • Over 1 million changes processed daily, six days a week
  • Address Standarization, Merging and hygiene with missing elements appended for enhanced accuracy
  • Audited quarterly to validate name, address and phone accuracy


National Auto Data’s wireless repository covers over 100 million wireless contacts sourced from proprietary sources gathering information from those open to contact with opt-in permission.

  • Daily updates to more than 2 million records, six days a week.
  • Multiple opt-in sources
  • In depth data comparison to provide accurate and current data