Local Calling Guide

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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-691 A Mount Vernon WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-691 1 Mount Vernon WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2009-12-14   
608-691 2 Mount Vernon WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-691 3 Mount Vernon WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354   2021-06-24   
608-691 4 Mount Vernon WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-07-25   
608-691 6 Mount Vernon WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-01-06   
608-691 7 Mount Vernon WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2017-10-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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