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Madison, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-620 8   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-620 9   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-621 A MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-621 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 2   225C ONVOY, LLC - WI 354   2022-01-09   
608-621 3   225C ONVOY, LLC - WI 354   2022-01-09   
608-621 4   225C ONVOY, LLC - WI 354   2022-01-09   
608-621 5   225C ONVOY, LLC - WI 354   2022-01-09   
608-621 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2022-03-04   
608-621 7   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2022-06-03   
608-621 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2022-10-14   
608-621 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2021-02-09   
608-622 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-622 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 6   6274 UNITED STATES CELLULAR - WI 354   2014-03-19   
608-622 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-08-13   
608-622 8   6274 UNITED STATES CELLULAR - WI 354   2012-10-22   
608-622 9   6274 UNITED STATES CELLULAR - WI 354   2011-09-08   
608-628 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-08-04   
608-628 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-08-04   
608-628 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-09-30   
608-628 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-630 A   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-630 0   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2006-11-06   
608-630 1   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-01-04   
608-630 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-03-05   
608-630 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-06-10   
608-630 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-06-10   
608-630 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-07-30   
608-630 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-07-30   
608-630 7   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-10-01   
608-630 8   792K CHARTER IP ENABLED SERVICES, LLC 354   2007-09-13   
608-630 9   792K CHARTER IP ENABLED SERVICES, LLC 354   2010-01-14   
608-640 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-640 0   6274 UNITED STATES CELLULAR - WI 354   2016-09-29   
608-640 1   6529 T-MOBILE USA, INC. 354   2016-10-13   
608-640 2   6529 T-MOBILE USA, INC. 354   2016-10-13   
608-640 3   225C ONVOY, LLC - WI 354   2018-05-18   
608-640 4   792K CHARTER IP ENABLED SERVICES, LLC 354   2018-04-01   
608-640 5   792K CHARTER IP ENABLED SERVICES, LLC 354   2018-09-23   
608-640 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2017-07-22   
608-640 7   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2016-10-14   
608-640 8   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2016-10-14   
608-640 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2017-06-29   
608-657 A MDSRWIKEDS0  6630 USA MOBILITY WIRELESS, INC. 354      
608-658 A MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354      
608-658 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-09-30   
608-658 1   6529 T-MOBILE USA, INC. 354      
608-658 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-09-30   
608-658 3   6529 T-MOBILE USA, INC. 354      
608-658 4   6529 T-MOBILE USA, INC. 354      
608-658 5   6529 T-MOBILE USA, INC. 354      
608-658 6   6529 T-MOBILE USA, INC. 354      
608-658 7   6529 T-MOBILE USA, INC. 354      
608-658 8   6529 T-MOBILE USA, INC. 354      
608-658 9   6529 T-MOBILE USA, INC. 354      
608-661 A   520K TDS METROCOM, LLC 354      
608-663 A   520K TDS METROCOM, LLC 354      
608-665 A   520K TDS METROCOM, LLC 354      
608-665 0   520K TDS METROCOM, LLC 354   2008-10-19   
608-665 1   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-665 2   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-665 3   516C AT&T CORP. 354   2011-04-20   
608-665 4   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 5   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 6   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 7   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 8   9327 WISCONSIN BELL INC 354   2010-06-18   
608-665 9   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-669 A MDSNWI11X1X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-669 0   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 1   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 2   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 3   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 4   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 5   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 6   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 7   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 8   6274 UNITED STATES CELLULAR - WI 354   2004-05-06   
608-669 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2003-09-05   
608-673 A MDSNWI11XGY  515J IP HORIZON LLC 354      
608-673 0   6274 UNITED STATES CELLULAR - WI 354   2021-09-17   
608-673 1   515J IP HORIZON LLC 354   2021-06-24   
608-673 2   516J TON80 COMMUNICATIONS, LLC 354   2021-09-18   
608-673 3   225C ONVOY, LLC - WI 354   2021-07-02   
608-673 4   225C ONVOY, LLC - WI 354   2021-07-02   
608-673 5   225C ONVOY, LLC - WI 354   2021-07-02   

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

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