Local Calling Guide

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

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-665 A Madison WI   520K TDS METROCOM, LLC 354      
608-665 0 Madison WI   520K TDS METROCOM, LLC 354   2008-10-19   
608-665 1 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-665 2 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-665 3 Madison WI   516C AT&T CORP. 354   2011-04-20   
608-665 4 Madison WI   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 5 Madison WI   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 6 Madison WI   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 7 Madison WI   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 8 Madison WI   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 9 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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