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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-817 2 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-07-22   
608-817 3 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-09-22   
608-817 4 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-09-22   
608-817 5 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-02-19   
608-817 6 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-02-07   
608-817 7 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-02-07   
608-817 8 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-02-07   
608-817 9 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2023-07-30   
608-818 A Montello WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-818 1 Montello WI   145J TERRA NOVA TELECOM INC. 354   2025-08-29   
608-818 2 Montello WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2016-06-12   
608-818 3 Montello WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-06-03   
608-818 4 Montello WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-818 5 Montello WI MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354   2021-06-24   
608-818 6 Montello WI MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2019-12-20   
608-818 7 Montello WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-26   
608-818 8 Montello WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-05-25   
608-818 9 Montello WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-08-10   
608-819 A Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 0 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 1 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 2 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 3 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 4 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 5 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 6 Madison WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2008-10-13   
608-819 7 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-819 8 Madison WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2007-05-03   
608-819 9 Madison WI MDSNWI11XYY  829J PAETEC ITEL, LLC 354      
608-820 A Middleton WI   792K CHARTER IP ENABLED SERVICES, LLC 354      
608-820 0 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-04-05   
608-820 1 Middleton WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2011-10-17   
608-820 2 Middleton WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2018-12-08   
608-820 3 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-820 4 Middleton WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2021-02-26   
608-820 5 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-820 6 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-820 7 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2021-04-05   
608-820 8 Middleton WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2020-01-06   
608-820 9 Middleton WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2025-12-11   
608-821 A Middleton WI MDTNWIXBRP0  0881 MID-PLAINS TEL., INC. 354      
608-822 A Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 0 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 1 Fennimore WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2016-10-02   
608-822 2 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 3 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 4 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 5 Fennimore WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2007-06-08   
608-822 6 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      
608-822 7 Fennimore WI FNMRWIXARP0  0930 GRANTLAND TELECOM, INC. 354      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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