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: 743 [Rate centres in NPA 743] [Dial plan for NPA 743]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-221 A Mulberry NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424      
743-221 0 Mulberry NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2022-03-13   
743-221 1 Mulberry NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2022-03-25   
743-221 2 Mulberry NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2022-04-29   
743-221 3 Mulberry NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2022-12-17   
743-221 8 Mulberry NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2023-10-08   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.