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.

Winston-Salem, NC

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
336-306 9   793K TWC IP ENABLED SERVICES, LLC 424   2007-02-14   
336-331 A GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 0   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 1   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2006-04-06   
336-331 3   793K TWC IP ENABLED SERVICES, LLC 424   2009-09-11   
336-331 4   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 5   638E ONVOY, LLC - NC 424   2007-09-14   
336-331 6   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-331 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2018-08-06   
336-331 8   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2006-08-26   
336-331 9   350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 424   2018-08-06   
336-341 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-341 0   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2009-12-10   
336-341 1   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-07-25   
336-341 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-07-25   
336-341 3   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-07-25   
336-341 4   8645 SUNCOM DBA T-MOBILE USA 424   2011-04-10   
336-341 5   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2009-12-11   
336-341 6   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-341 7   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-02-08   
336-341 8   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-03-07   
336-341 9   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2009-12-10   
336-345 A GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-345 0   5562 METROPCS, INC. 424      
336-345 1   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 2   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 3   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 4   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 5   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 6   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 7   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 8   8645 SUNCOM DBA T-MOBILE USA 424      
336-345 9   8645 SUNCOM DBA T-MOBILE USA 424      
336-354 A GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-354 0   829J PAETEC ITEL, LLC 424      
336-354 1   829J PAETEC ITEL, LLC 424      
336-354 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2008-06-09   
336-354 3   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-11-22   
336-354 4   829J PAETEC ITEL, LLC 424   2009-11-27   
336-354 5   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-11-22   
336-354 6   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-25   
336-354 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2007-01-25   
336-354 8   8645 SUNCOM DBA T-MOBILE USA 424   2005-06-05   
336-354 9   8645 SUNCOM DBA T-MOBILE USA 424   2005-06-05   
336-391 A GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424      
336-397 A GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-397 0   829J PAETEC ITEL, LLC 424      
336-397 1   829J PAETEC ITEL, LLC 424      
336-397 2   829J PAETEC ITEL, LLC 424      
336-397 3   829J PAETEC ITEL, LLC 424      
336-397 4   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2008-06-12   
336-397 5   7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424   2006-03-25   
336-397 6   7973 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 424   2006-03-25   
336-397 7   829J PAETEC ITEL, LLC 424      
336-397 8   829J PAETEC ITEL, LLC 424      
336-397 9   829J PAETEC ITEL, LLC 424      
336-399 A GNBONCEU65Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-399 0   5562 METROPCS, INC. 424      
336-399 1   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 2   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 3   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 4   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 5   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 6   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 7   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 8   8645 SUNCOM DBA T-MOBILE USA 424      
336-399 9   8645 SUNCOM DBA T-MOBILE USA 424      
336-403 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 0   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 1   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 3   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-04-04   
336-406 4   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-05-16   
336-406 5   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 6   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-406 7   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-06-07   
336-406 8   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-07-08   
336-406 9   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-11-21   
336-407 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-408 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-409 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-409 0   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-409 1   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-08-15   
336-409 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-409 3   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-409 4   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-09-06   
336-409 5   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-10-14   
336-409 6   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-11-21   
336-409 7   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2004-12-06   
336-409 8   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2005-02-06   
336-409 9   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2005-02-06   
336-413 A KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 0   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 1   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 2   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 3   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 4   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      
336-413 5   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      

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

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.