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: 541

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-541 A Greensboro NC GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-541 0 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-09-30   
336-541 1 Greensboro NC GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-541 2 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-09-30   
336-541 3 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-09-30   
336-541 4 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-09-30   
336-541 5 Greensboro NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2008-09-30   
336-541 6 Greensboro NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2011-02-11   
336-541 7 Greensboro NC GNBONCEU31Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-541 8 Greensboro NC GNBONCEU59Z  516C AT&T CORP. 424   2013-01-15   
336-541 9 Greensboro NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2024-09-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.