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 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
336-458 4 GNBPNCDNDS1  7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424      
336-458 5 GNBPNCDNDS1  7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424      
336-458 6 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2010-07-16   
336-458 7 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2010-07-16   
336-458 8 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2010-07-16   
336-458 9 GNBPNCDNDS1  7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424      
336-478 A GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-478 0 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 1 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 2 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 3 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 4 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 5 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2006-08-20   
336-478 6 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 7 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2010-11-07   
336-478 8 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-478 9 GNBONCEU02Z  829J PAETEC ITEL, LLC 424      
336-482 A GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-482 0 GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-482 1 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-482 2 GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-482 3 GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-482 4 GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-482 5 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-482 6 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-482 7 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-482 8 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-482 9 GNBONCPHVMD  7970 WINDSTREAM COMMUNICATIONS, INC. - NC 424      
336-487 A GNBONCEU33G  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-487 0   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 1   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 2   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 3   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 4   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 5   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 6   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 7   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 8   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-487 9   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2012-07-26   
336-500 A GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-500 0 GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2009-06-13   
336-500 1 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-05-04   
336-500 2 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2011-02-23   
336-500 3 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-09-09   
336-500 4 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2012-06-10   
336-500 5 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2012-06-10   
336-500 6 GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2009-06-13   
336-500 7 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-12-10   
336-500 8 GNBONCEUY1X  793K TWC IP ENABLED SERVICES, LLC 424   2011-08-18   
336-500 9 GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424   2010-11-07   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.