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Madison, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-218 5 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2012-09-20   
608-218 6   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2025-02-28   
608-218 7 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-218 8 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-218 9 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-219 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-219 0   6274 UNITED STATES CELLULAR - WI 354      
608-219 1   6274 UNITED STATES CELLULAR - WI 354      
608-219 2   6274 UNITED STATES CELLULAR - WI 354      
608-219 3   6274 UNITED STATES CELLULAR - WI 354      
608-219 4   6274 UNITED STATES CELLULAR - WI 354      
608-219 5   6274 UNITED STATES CELLULAR - WI 354      
608-219 6   6274 UNITED STATES CELLULAR - WI 354      
608-219 7   6274 UNITED STATES CELLULAR - WI 354      
608-219 8   6274 UNITED STATES CELLULAR - WI 354      
608-219 9   6274 UNITED STATES CELLULAR - WI 354      
608-220 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-220 0   6274 UNITED STATES CELLULAR - WI 354      
608-220 1   6274 UNITED STATES CELLULAR - WI 354      
608-220 2   6274 UNITED STATES CELLULAR - WI 354      
608-220 3   6274 UNITED STATES CELLULAR - WI 354      
608-220 4   6274 UNITED STATES CELLULAR - WI 354      
608-220 5   6274 UNITED STATES CELLULAR - WI 354      
608-220 6   6274 UNITED STATES CELLULAR - WI 354      
608-220 7   6274 UNITED STATES CELLULAR - WI 354      
608-220 8   6274 UNITED STATES CELLULAR - WI 354      
608-220 9   6274 UNITED STATES CELLULAR - WI 354      
608-221 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-222 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-223 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 0 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 1 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 2 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 3 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 4 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 5 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 6 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 7 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 8 MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-224 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2011-02-14   
608-225 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-225 0   6274 UNITED STATES CELLULAR - WI 354      
608-225 1   6274 UNITED STATES CELLULAR - WI 354      
608-225 2   6274 UNITED STATES CELLULAR - WI 354      
608-225 3   6274 UNITED STATES CELLULAR - WI 354      
608-225 4   6274 UNITED STATES CELLULAR - WI 354      
608-225 5   6274 UNITED STATES CELLULAR - WI 354      
608-225 6   6274 UNITED STATES CELLULAR - WI 354      
608-225 7   6274 UNITED STATES CELLULAR - WI 354      
608-225 8   6274 UNITED STATES CELLULAR - WI 354      
608-225 9   6274 UNITED STATES CELLULAR - WI 354      
608-226 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-227 A MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-228 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-228 0   6274 UNITED STATES CELLULAR - WI 354      
608-228 1   6274 UNITED STATES CELLULAR - WI 354      
608-228 2   6274 UNITED STATES CELLULAR - WI 354      
608-228 3   6274 UNITED STATES CELLULAR - WI 354      
608-228 4   6274 UNITED STATES CELLULAR - WI 354      
608-228 5   6274 UNITED STATES CELLULAR - WI 354      
608-228 6   6274 UNITED STATES CELLULAR - WI 354      
608-228 7   6274 UNITED STATES CELLULAR - WI 354      
608-228 8   6274 UNITED STATES CELLULAR - WI 354      
608-228 9   6274 UNITED STATES CELLULAR - WI 354      
608-229 A MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 0 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354   2010-09-28   
608-229 1 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2007-12-04   
608-229 2 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 3 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 4 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 5 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 6 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 7 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 8 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-229 9 MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-230 A   520K TDS METROCOM, LLC 354      
608-230 0   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-230 1   520K TDS METROCOM, LLC 354      
608-230 2   520K TDS METROCOM, LLC 354      
608-230 3   520K TDS METROCOM, LLC 354      
608-230 4   520K TDS METROCOM, LLC 354      
608-230 5   792K CHARTER IP ENABLED SERVICES, LLC 354   2006-10-10   
608-230 6   792K CHARTER IP ENABLED SERVICES, LLC 354   2004-04-13   
608-230 7   520K TDS METROCOM, LLC 354      
608-230 8   520K TDS METROCOM, LLC 354      
608-230 9   520K TDS METROCOM, LLC 354      
608-231 A MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 A MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 0 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 1 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 2 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 3 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 4 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 5 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 6 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 7 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-232 8   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2025-01-24   
608-232 9 MDSNWI13DS0  9327 WISCONSIN BELL INC 354      
608-233 A MDSNWI13DS0  9327 WISCONSIN BELL INC 354      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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