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.

NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-377 A Stanleyville NC OLTWNCXARP0  0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 0 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 1 Stanleyville NC   624H ONVOY SPECTRUM, LLC 424   2023-05-12   
336-377 2 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 3 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 4 Stanleyville NC   7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 424   2006-05-15   
336-377 5 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 6 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-377 7 Stanleyville NC   793K TWC IP ENABLED SERVICES, LLC 424   2007-01-10   
336-377 8 Stanleyville NC   8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424   2013-04-11   
336-377 9 Stanleyville NC   0476 WINDSTREAM NORTH CAROLINA, INC. 424      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.