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: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-277 A Myrtle Beach SC MYBHSCAT8MD  475J CALLWORKS CORPORATION 432   2024-09-29   
854-277 0 Myrtle Beach SC FLRNSCMCX2X  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 432   2025-11-12   
854-277 1 Myrtle Beach SC MYBHSCAT8MD  475J CALLWORKS CORPORATION 432   2024-09-29   
854-277 8 Myrtle Beach SC   548E ONVOY, LLC - SC 432   2025-04-12   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.