Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-391 A Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2026-06-08   
223-391 0 Ephrata PA   002F BANDWIDTH.COM CLEC, LLC - PA 226   2026-08-08   
223-391 1 Ephrata PA EPHRPAXE4MD  547E ONVOY, LLC - PA 226   2026-06-09   
223-391 3 Ephrata PA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 226   2027-01-08   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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