Local Calling Guide

Area code/prefix search

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Mount Horeb, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-437 A MTHBWIXADS2  0916 MT. HOREB TEL. CO. 354      
608-670 A   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-670 0   792K CHARTER IP ENABLED SERVICES, LLC 354   2020-07-30   
608-670 7 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2024-01-25   

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

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