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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OCN: 3839 CHARTER FIBERLINK, LLC - WI

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
534-900 2 Pickerel WI   350   2026-03-29   
920-987 2 Poy Sippi WI   350   2026-03-29   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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