Local Calling Guide

Area code/prefix search

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

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-203 A Middleton WI   520K TDS METROCOM, LLC 354      
608-203 0 Middleton WI   520K TDS METROCOM, LLC 354      
608-203 1 Middleton WI   520K TDS METROCOM, LLC 354      
608-203 2 Middleton WI   520K TDS METROCOM, LLC 354      
608-203 3 Middleton WI   520K TDS METROCOM, LLC 354      
608-203 4 Middleton WI   520K TDS METROCOM, LLC 354      
608-203 5 Middleton WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2004-11-12   
608-203 6 Middleton WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2006-07-01   
608-203 7 Middleton WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-203 8 Middleton WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2007-12-07   
608-203 9 Middleton WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2012-02-13   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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