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Madison, WI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-516 2   6274 UNITED STATES CELLULAR - WI 354      
608-516 3   6274 UNITED STATES CELLULAR - WI 354      
608-516 4   6274 UNITED STATES CELLULAR - WI 354      
608-516 5   6274 UNITED STATES CELLULAR - WI 354      
608-516 6   6274 UNITED STATES CELLULAR - WI 354      
608-516 7   6274 UNITED STATES CELLULAR - WI 354      
608-516 8   6274 UNITED STATES CELLULAR - WI 354      
608-516 9   6274 UNITED STATES CELLULAR - WI 354      
608-520 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-520 0 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-10-07   
608-520 1 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 2 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 3 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 4 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 5 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 6 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 7 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-01-17   
608-520 8 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-02-28   
608-520 9 MDSNWI11X4Y  5562 METROPCS, INC. 354   2011-02-28   
608-535 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-535 0 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2010-12-17   
608-535 1 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 2 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2011-11-29   
608-535 3 MDSNWI02YMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2012-01-03   
608-535 4 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 5 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 6 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2013-06-22   
608-535 7 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2013-08-12   
608-535 8 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2013-10-31   
608-535 9 MDSNWI11XIX  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 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-556 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-03-13   
608-556 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-03-13   
608-556 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-556 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-06-13   
608-556 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-07-06   
608-556 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-10-11   
608-556 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-11-15   
608-556 8 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-12-15   
608-556 9 MDSNWI11XQX  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 MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2014-12-01   
608-571 1 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2015-02-23   
608-571 2 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 3 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 4 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 5 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 6 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2015-03-13   
608-571 8 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2015-02-14   
608-571 9 MDSNWI11XQX  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 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-572 1 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-572 2 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2012-10-15   
608-572 3 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2013-12-16   
608-572 4 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-01-01   
608-572 5 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-01-15   
608-572 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-02-01   
608-572 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-06-19   
608-572 8 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2013-02-21   
608-572 9 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2013-02-21   
608-575 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-575 0   6274 UNITED STATES CELLULAR - WI 354      
608-575 1   6274 UNITED STATES CELLULAR - WI 354      
608-575 2   6274 UNITED STATES CELLULAR - WI 354      
608-575 3   6274 UNITED STATES CELLULAR - WI 354      
608-575 4   6274 UNITED STATES CELLULAR - WI 354      
608-575 5   6274 UNITED STATES CELLULAR - WI 354      
608-575 6   6274 UNITED STATES CELLULAR - WI 354      
608-575 7   6274 UNITED STATES CELLULAR - WI 354      
608-575 8   6274 UNITED STATES CELLULAR - WI 354      
608-575 9   6274 UNITED STATES CELLULAR - WI 354      
608-576 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-576 0   6274 UNITED STATES CELLULAR - WI 354      
608-576 1   6274 UNITED STATES CELLULAR - WI 354      
608-576 2   6274 UNITED STATES CELLULAR - WI 354      
608-576 3   6274 UNITED STATES CELLULAR - WI 354      
608-576 4   6274 UNITED STATES CELLULAR - WI 354      
608-576 5   6274 UNITED STATES CELLULAR - WI 354      
608-576 6   6274 UNITED STATES CELLULAR - WI 354      
608-576 7   6274 UNITED STATES CELLULAR - WI 354      
608-576 8   6274 UNITED STATES CELLULAR - WI 354      
608-576 9   6274 UNITED STATES CELLULAR - WI 354      
608-577 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-577 0   6274 UNITED STATES CELLULAR - WI 354      
608-577 1   6274 UNITED STATES CELLULAR - WI 354      
608-577 2   6274 UNITED STATES CELLULAR - WI 354      
608-577 3   6274 UNITED STATES CELLULAR - WI 354      
608-577 4   6274 UNITED STATES CELLULAR - WI 354      
608-577 5   6274 UNITED STATES CELLULAR - WI 354      
608-577 6   6274 UNITED STATES CELLULAR - WI 354      
608-577 7   6274 UNITED STATES CELLULAR - WI 354      
608-577 8   6274 UNITED STATES CELLULAR - WI 354      
608-577 9   6274 UNITED STATES CELLULAR - WI 354      
608-578 A MDSRWIKEDS0  6630 SPOK, INC. 354      
608-590 A MDSNWI11XAX  225C ONVOY, LLC - WI 354      

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

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