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.

Switch: GNBONCEU46Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-418 2 Winston-Salem NC 3758 FUSION CLOUD SERVICES, LLC 424   2012-09-17   
336-645 A Greensboro NC 3758 FUSION CLOUD SERVICES, LLC 424      
336-645 1 Greensboro NC 3758 FUSION CLOUD SERVICES, LLC 424   2012-10-11   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.