Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: RLGHNCHOX0Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-257 A Durham NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-278 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-279 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-455 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-543 A Durham NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-650 A Cary NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-651 A Cary NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
919-988 A Goldsboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
984-236 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
984-247 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
984-308 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
984-356 A Raleigh NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      
984-390 A Durham NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 426      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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