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Madison, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-556 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-03-13   
608-556 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-03-13   
608-556 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-556 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-06-13   
608-556 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-07-06   
608-556 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-10-11   
608-556 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-11-15   
608-556 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-12-15   
608-556 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-10-16   
608-559 A MDSNWI11XIX  9748 AMERICAN MESSAGING SERVICES, LLC 354      
608-571 A MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354      
608-571 0   227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2014-12-01   
608-571 1   225C ONVOY, LLC - WI 354   2015-02-23   
608-571 2   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 3   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 4   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 5   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 6   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2015-02-14   
608-571 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2015-02-14   
608-572 A MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-572 0   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-572 1   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-572 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2012-10-15   
608-572 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2013-12-16   
608-572 4   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-01-01   
608-572 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-01-15   
608-572 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-02-01   
608-572 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-06-19   
608-572 8   6529 T-MOBILE USA, INC. 354   2013-02-21   
608-572 9   6529 T-MOBILE USA, INC. 354   2013-02-21   
608-575 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-576 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-577 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-578 A MDSRWIKEDS0  6630 USA MOBILITY WIRELESS, INC. 354      
608-590 A MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-590 0   225C ONVOY, LLC - WI 354   2019-01-21   
608-590 1   225C ONVOY, LLC - WI 354   2019-01-21   
608-590 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2019-02-02   
608-590 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2019-02-02   
608-590 4   225C ONVOY, LLC - WI 354   2019-05-04   
608-590 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-03-09   
608-590 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-11-24   
608-590 7   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-11-24   
608-590 8   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2021-04-22   
608-590 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2022-03-03   
608-598 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-598 0   6274 UNITED STATES CELLULAR - WI 354   2015-10-01   
608-598 1   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 2   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 3   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 4   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 5   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 6   508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 7   6529 T-MOBILE USA, INC. 354   2016-02-05   
608-598 8   6529 T-MOBILE USA, INC. 354   2016-02-05   
608-598 9   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2016-01-30   
608-608 A MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-10-11   
608-608 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-11-03   
608-608 1   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2024-10-27   
608-608 2   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2024-11-04   
608-608 3   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2024-10-27   
608-608 4   732J NUSO, LLC 354   2024-11-11   
608-608 5   732J NUSO, LLC 354   2024-11-11   
608-608 6   225C ONVOY, LLC - WI 354   2024-10-11   
608-608 7   225C ONVOY, LLC - WI 354   2024-10-11   
608-608 8   225C ONVOY, LLC - WI 354   2024-10-11   
608-608 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-11-28   
608-609 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-609 0   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2008-09-15   
608-609 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-09-18   
608-609 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-11-15   
608-609 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-08-06   
608-609 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-09-06   
608-609 5   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-09-05   
608-609 6   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-09-05   
608-609 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-09   
608-609 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-09   
608-609 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-03-14   
608-616 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-616 0   007F BANDWIDTH.COM CLEC, LLC - WI 354   2008-12-19   
608-616 1   9327 WISCONSIN BELL INC 354   2009-10-28   
608-616 2   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-12-14   
608-616 3   9327 WISCONSIN BELL INC 354   2009-10-28   
608-616 4   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-10-29   
608-616 5   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-02-28   
608-616 6   698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 7   698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 8   698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 9   007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-08-13   
608-620 A MDSNWI11XSX  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354      
608-620 0   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 1   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 2   7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354   2010-12-19   
608-620 3   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 4   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 5   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 6   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-19   

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

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