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Madison, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-467 4   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-467 5   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2004-08-13   
608-467 6   792K CHARTER IP ENABLED SERVICES, LLC 354   2006-06-05   
608-467 7   792K CHARTER IP ENABLED SERVICES, LLC 354   2006-01-09   
608-467 8   792K CHARTER IP ENABLED SERVICES, LLC 354   2005-09-07   
608-467 9   792K CHARTER IP ENABLED SERVICES, LLC 354   2012-09-06   
608-469 A MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-471 A MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354      
608-471 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-02   
608-471 1   227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2017-08-12   
608-471 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-02   
608-471 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-02   
608-471 4   792K CHARTER IP ENABLED SERVICES, LLC 354   2017-10-15   
608-471 5   225C ONVOY, LLC - WI 354   2017-09-22   
608-471 6   225C ONVOY, LLC - WI 354   2017-09-22   
608-471 7   225C ONVOY, LLC - WI 354   2017-09-22   
608-471 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-02   
608-471 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-10-02   
608-504 A MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-504 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-06-26   
608-504 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-06-26   
608-504 2   007F BANDWIDTH.COM CLEC, LLC - WI 354   2016-07-15   
608-504 3   007F BANDWIDTH.COM CLEC, LLC - WI 354   2016-07-15   
608-504 4   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2016-06-25   
608-504 5   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2016-06-25   
608-504 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2016-09-30   
608-504 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-09-26   
608-504 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-09-30   
608-504 9   225C ONVOY, LLC - WI 354   2016-06-24   
608-509 A MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-509 0   7588 CENTURYLINK COMMUNICATIONS LLC - WI 354   2006-07-08   
608-509 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-24   
608-509 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-07-09   
608-509 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-07-09   
608-509 4   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-06-19   
608-509 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-08-28   
608-509 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-08-28   
608-509 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-06-19   
608-509 8   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-10-01   
608-509 9   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-06-19   
608-512 A MDSNWIUQDS0  7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-512 0   007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-06-19   
608-512 1   7588 CENTURYLINK COMMUNICATIONS LLC - WI 354      
608-512 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-10-20   
608-512 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-12-18   
608-512 4   7588 CENTURYLINK COMMUNICATIONS LLC - WI 354   2007-03-15   
608-512 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2008-01-04   
608-512 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-12-09   
608-512 7   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-12-09   
608-512 8   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-12-09   
608-512 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2007-11-22   
608-513 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-514 A MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-514 0   829J PAETEC ITEL, LLC 354   2008-04-13   
608-514 1   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-08-13   
608-514 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-05-22   
608-514 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-05-22   
608-514 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-05-22   
608-514 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-11-20   
608-514 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-06-19   
608-514 7   225C ONVOY, LLC - WI 354   2009-02-28   
608-514 8   225C ONVOY, LLC - WI 354   2009-02-28   
608-514 9   225C ONVOY, LLC - WI 354   2009-02-28   
608-515 A MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354      
608-515 0   6529 T-MOBILE USA, INC. 354   2009-12-12   
608-515 1   6529 T-MOBILE USA, INC. 354   2009-12-12   
608-515 2   6529 T-MOBILE USA, INC. 354   2009-12-12   
608-515 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-06-19   
608-515 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-06-19   
608-515 5   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-06-19   
608-515 6   6274 UNITED STATES CELLULAR - WI 354   2010-08-06   
608-515 7   6529 T-MOBILE USA, INC. 354   2011-04-11   
608-515 8   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-08-13   
608-515 9   6529 T-MOBILE USA, INC. 354   2009-12-12   
608-516 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-520 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-520 0   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-10-07   
608-520 1   5562 METROPCS, INC. 354   2011-01-17   
608-520 2   5562 METROPCS, INC. 354   2011-01-17   
608-520 3   5562 METROPCS, INC. 354   2011-01-17   
608-520 4   5562 METROPCS, INC. 354   2011-01-17   
608-520 5   5562 METROPCS, INC. 354   2011-01-17   
608-520 6   5562 METROPCS, INC. 354   2011-01-17   
608-520 7   5562 METROPCS, INC. 354   2011-01-17   
608-520 8   5562 METROPCS, INC. 354   2011-02-28   
608-520 9   5562 METROPCS, INC. 354   2011-02-28   
608-535 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-535 0   6274 UNITED STATES CELLULAR - WI 354   2010-12-17   
608-535 1   007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 2   6274 UNITED STATES CELLULAR - WI 354   2011-11-29   
608-535 3   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2012-01-03   
608-535 4   007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 5   007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 6   007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 7   6274 UNITED STATES CELLULAR - WI 354   2013-08-12   
608-535 8   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2013-10-31   
608-535 9   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-01-16   
608-550 A MDSNWI11XIX  9748 AMERICAN MESSAGING SERVICES, LLC 354      
608-556 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-556 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      

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

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