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.
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-576 A Courtney NC CRTYNCXA2MD  793K TWC IP ENABLED SERVICES, LLC 424   2025-02-05   
336-576 3 Courtney NC GNBPNCEM8MD  516J TON80 COMMUNICATIONS, LLC 424   2021-06-06   
336-576 4 Courtney NC CRTYNCXA2MD  793K TWC IP ENABLED SERVICES, LLC 424   2013-05-19   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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