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.

Harmony, NC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
704-546 A HRMYNCXARS0  0511 YADKIN VALLEY TEL. MEMBERSHIP CORP. 422      
980-379 A   793K TWC IP ENABLED SERVICES, LLC 422   2025-04-02   
980-379 0   793K TWC IP ENABLED SERVICES, LLC 422      
980-698 A   793K TWC IP ENABLED SERVICES, LLC 422   2025-04-02   
980-698 6 CHRLNCCA64Z  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 422   2023-09-15   
980-698 9   793K TWC IP ENABLED SERVICES, LLC 422   2013-05-21   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.