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.

Greensboro, NC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
336-292 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-294 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 0 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 1 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 2 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 3 GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2022-12-05   
336-297 4 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 5 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-297 6 GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-10-29   
336-297 7 GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-10-29   
336-297 8 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2021-04-22   
336-297 9 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-299 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-303 A GNBONCCKW30  4809 CENTURYLINK COMMUNICATIONS LLC - NC 424      
336-303 0 GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2008-11-22   
336-303 1 GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2008-11-22   
336-303 2 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-09-27   
336-303 3 GNBONCCKW30  4809 CENTURYLINK COMMUNICATIONS LLC - NC 424      
336-303 4 GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2015-07-12   
336-303 5 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-09-27   
336-303 6 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-09-27   
336-303 7 GNBONCCKW30  4809 CENTURYLINK COMMUNICATIONS LLC - NC 424      
336-303 8 GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2008-11-22   
336-303 9 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2007-09-27   
336-312 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-314 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-315 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 0 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 1 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 2 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 3 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 4 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 5 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 6 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 7 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-316 8 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2021-04-22   
336-316 9 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2021-04-22   
336-317 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-319 A GNBONCEU51Z  6630 USA MOBILITY WIRELESS, INC. 424      
336-321 A GNBONCEU51Z  6630 USA MOBILITY WIRELESS, INC. 424      
336-323 A GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 0 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 1 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 2 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 3 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 4 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 5 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 6 GNBONCEU78Z  624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-323 7 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-323 8   638E ONVOY, LLC - NC 424   2009-01-21   
336-323 9 GNBONCAS29F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-324 A GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 0 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 1 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 2 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 3 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 4 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 5 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 6 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 7 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 8 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-324 9 GNBONCEU65Z  5562 METROPCS, INC. 424      
336-327 A GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 0 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 1 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 2 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 3 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 4 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 5 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 6 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 7 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 8 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-327 9 GNBONCEU65Z  5562 METROPCS, INC. 424      
336-332 A GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 0 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 1 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 2 GNBONCEU75Z  073H TELNYX LLC 424   2021-01-22   
336-332 3 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 4 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 5 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 6 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 7 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 8 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-332 9 GNBONCEU65Z  5562 METROPCS, INC. 424   2019-12-21   
336-333 A GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 0 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 1 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 2 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 3 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 4 GNBPNCEM9MD  490J DISH WIRELESS, LLC 424   2024-08-08   
336-333 5 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 6 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 7 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-333 8 GNBPNCEM9MD  490J DISH WIRELESS, LLC 424   2024-07-29   
336-333 9 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-334 A GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-334 0 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-334 1 GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.