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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: GNBONCEU31Z

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-970 A Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-970 2 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-970 4 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
743-214 6 Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2021-11-05   
743-219 0 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2021-12-23   
743-222 6 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2020-05-15   
743-223 6 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2018-07-23   
743-225 9 Julian NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2023-07-31   
743-241 A Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
743-241 4 Burlington NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-01-18   
743-244 6 Yanceyville NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2020-12-07   
743-333 5 Winston-Salem NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2018-02-12   
743-557 5 Julian NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-05-27   
743-557 6 Julian NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-06-21   
743-557 7 Julian NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-05-27   
743-867 0 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2020-06-25   
743-902 5 Greensboro NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-10-03   
910-569 6 Biscoe NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2019-05-31   
919-568 4 Mebane NC 8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2014-06-06   

<< 1 2

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.