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: GNBONCEU24Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-203 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-276 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
336-396 A Ruffin NC 638E ONVOY, LLC - NC 424      
336-604 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-609 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-645 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-704 A Kernersville NC 638E ONVOY, LLC - NC 424      
336-715 A Julian NC 638E ONVOY, LLC - NC 424      
336-800 A Quaker Gap NC 638E ONVOY, LLC - NC 424      
336-810 A Timberlake NC 638E ONVOY, LLC - NC 424      
336-814 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-828 A Roxboro NC 638E ONVOY, LLC - NC 424      
336-842 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
336-900 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-930 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
336-944 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-980 A Walnut Cove NC 638E ONVOY, LLC - NC 424      
336-999 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
743-226 A Monticello NC 638E ONVOY, LLC - NC 424      
743-228 A Summerfield NC 638E ONVOY, LLC - NC 424      
743-260 A Ruffin NC 638E ONVOY, LLC - NC 424      
743-263 A Burlington NC 638E ONVOY, LLC - NC 424      
743-264 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
743-270 A Winston-Salem NC 638E ONVOY, LLC - NC 424   2024-04-12   
743-272 A King NC 638E ONVOY, LLC - NC 424   2024-04-21   
743-273 A Burlington NC 638E ONVOY, LLC - NC 424      
743-274 A Gibsonville NC 638E ONVOY, LLC - NC 424      
743-278 A Summerfield NC 638E ONVOY, LLC - NC 424   2024-07-06   
743-279 A Winston-Salem NC 638E ONVOY, LLC - NC 424   2024-07-29   
743-280 A Saxapahaw NC 638E ONVOY, LLC - NC 424   2024-07-29   
743-333 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
743-334 A Oldtown NC 638E ONVOY, LLC - NC 424      
743-473 A Timberlake NC 638E ONVOY, LLC - NC 424      
743-500 A Saxapahaw NC 638E ONVOY, LLC - NC 424      
743-637 A Winston-Salem NC 638E ONVOY, LLC - NC 424      
743-730 A Rural Hall NC 638E ONVOY, LLC - NC 424      
743-767 A Gibsonville NC 638E ONVOY, LLC - NC 424      
743-910 A Greensboro NC 638E ONVOY, LLC - NC 424      
984-203 A Mebane NC 638E ONVOY, LLC - NC 424      
984-371 A Mebane NC 638E ONVOY, LLC - NC 424   2024-04-27   
984-983 A Mebane NC 638E ONVOY, LLC - NC 424      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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