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
608-572 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 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354   2013-02-21   
608-572 9 MDSNWI11XNX  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 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-01-21   
608-590 1 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-01-21   
608-590 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2019-02-02   
608-590 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2019-02-02   
608-590 4 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2019-05-04   
608-590 5 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-03-09   
608-590 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-11-24   
608-590 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2019-11-24   
608-590 8 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2021-04-22   
608-590 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2022-03-03   
608-598 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-598 0 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2015-10-01   
608-598 1 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 2 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 3 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 4 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 5 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 6 LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2015-12-29   
608-598 7 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354   2016-02-05   
608-598 8 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354   2016-02-05   
608-598 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2016-01-30   
608-609 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-609 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2008-09-15   
608-609 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-09-18   
608-609 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2009-11-15   
608-609 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-08-06   
608-609 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2010-09-06   
608-609 5 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-09-05   
608-609 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2010-09-05   
608-609 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-09   
608-609 8 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2008-10-09   
608-609 9 MDSNWI11XQX  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 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2008-12-19   
608-616 1 MDSNWI12DS0  9327 WISCONSIN BELL INC 354   2009-10-28   

<< 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: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.