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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-223 A Burlington NC GNBONCPHX4X  7796 BUSINESS TELECOM, INC. DBA BTI - NC 424      
336-223 0 Burlington NC   7796 BUSINESS TELECOM, INC. DBA BTI - NC 424      
336-223 1 Burlington NC   7796 BUSINESS TELECOM, INC. DBA BTI - NC 424      
336-223 2 Burlington NC   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2016-10-21   
336-223 3 Burlington NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2010-04-29   
336-223 4 Burlington NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2010-10-18   
336-223 5 Burlington NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2010-06-13   
336-223 6 Burlington NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2011-02-11   
336-223 7 Burlington NC   638E ONVOY, LLC - NC 424   2017-07-13   
336-223 8 Burlington NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2006-12-14   
336-223 9 Burlington NC   7796 BUSINESS TELECOM, INC. DBA BTI - NC 424      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.