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: GNBONCEUDS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-290 A Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-290 0 Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-290 8 Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 A Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 0 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 1 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 2 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 4 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 5 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 9 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-293 A Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-293 0 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-293 1 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-293 2 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2004-06-22   
336-293 5 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-293 9 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-295 A Monticello NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-295 9 Monticello NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-298 A Summerfield NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-298 9 Summerfield NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-589 3 Eden NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2004-08-01   
336-895 A Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-895 5 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2012-09-02   
336-898 6 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2012-01-19   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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