Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 971

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-971 A Readfield WI HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350   2024-08-17   
920-971 1 Readfield WI HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350   2024-08-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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