TeleAtlas/GDT Number Plan
Area Boundaries

Provider: TeleAtlas/GDT

The Numbering Plan Area (NPA) database depicts area code boundaries across the United States and Canada. The NPA database is continually updated to keep track of ongoing change in U,S. and Canadian area codes.

The NPA database is best suited for the following applications and uses:

  • Market Analysis
  • Strategic Planning
  • Customer Service

Database Fields

  • NPA number
  • Effective date
  • Old NPA code
  • End Permissive Dial date

The NPA database is tiled by state and nation.

Data Formats

The NPA database are available in the following data formats:

  • MapInfo
  • ArcView GIS
  • SDET

Please contact us for pricing information.

Learn More About TeleAtlas/GDT Number Plan Area Boundaries


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