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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-535 A Shoals NC ELKNNCXAX6X  793K TWC IP ENABLED SERVICES, LLC 424   2025-02-05   
336-535 0 Shoals NC ELKNNCXAX6X  793K TWC IP ENABLED SERVICES, LLC 424   2013-05-21   
336-535 5 Shoals NC   145J TERRA NOVA TELECOM INC. 424   2025-07-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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