Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-318 A Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-318 0 Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2004-04-01   
608-318 1 Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2005-09-23   
608-318 2 Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2007-12-07   
608-318 3 Sun Prairie WI MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2008-11-21   
608-318 4 Sun Prairie WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2005-03-11   
608-318 5 Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2013-04-13   
608-318 6 Sun Prairie WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2015-03-29   
608-318 7 Sun Prairie WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-29   
608-318 8 Sun Prairie WI SNPRWIXADS0  0886 FRONTIER NORTH INC. - WI 354   2009-01-30   
608-318 9 Sun Prairie WI MDSRWIKE1MD  939H COMMIO, LLC 354   2022-11-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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