Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Madison, WI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-616 2 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2009-12-14   
608-616 3 MDSNWI12DS0  9327 WISCONSIN BELL INC 354   2009-10-28   
608-616 4 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-10-29   
608-616 5 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-02-28   
608-616 6 BURKWIAE1MD  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 7 BURKWIAE1MD  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 8 BURKWIAE1MD  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 354   2010-03-03   
608-616 9 MDSNWI11XIX  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 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 1 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 2 MDSNWI11XSX  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 354   2010-12-19   
608-620 3 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 4 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 5 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 6 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-04-30   
608-620 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-19   
608-620 8 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-620 9 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-08-29   
608-621 A MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-621 0 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-09-15   
608-621 2 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 3 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 4 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 5 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2022-01-09   
608-621 6 MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2022-03-04   
608-621 7 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2022-06-03   
608-621 8 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2022-10-14   
608-621 9 MDSNWI11XOY  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 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-21   
608-622 6 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2014-03-19   
608-622 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-08-13   
608-622 8 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2012-10-22   
608-622 9 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2011-09-08   
608-628 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 0 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-08-04   
608-628 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-628 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2003-08-04   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.