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: GNBONCCKX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-283 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-285 A Greensboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-329 A Burlington NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-443 A Dobson NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-459 A Yanceyville NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-499 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-505 A Kimesville NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-510 A Greensboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-517 A Greensboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-525 A Saxapahaw NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-600 A Oldtown NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-606 A Sandy Ridge NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-612 A Eden NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-640 A Sparta NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-790 A Greensboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-791 A Reidsville NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-793 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-844 A North Wilkesboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-904 A Kernersville NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-915 A Roxboro NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-916 A Madison NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-966 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
743-201 A High Point NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
743-252 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
743-253 A Winston-Salem NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
910-400 A West End NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
910-466 A West End NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
910-569 A Biscoe NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
984-290 A Mebane NC 3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      

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

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