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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-914 4 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-914 5 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-914 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-914 7 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-914 8 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-914 9 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 A MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 0 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 1 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 2 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 3 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 4 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 5 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 7 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 8 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-915 9 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 A MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 0 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 1 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 2 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 3 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 4 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 5 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 7 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 8 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-916 9 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2024-02-23   
608-940 A MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-08-03   
608-940 0 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-08-03   
608-940 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-08-04   
608-940 2 MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2024-08-04   
608-940 3 MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2024-08-04   
608-940 4 MDSNWI11XOY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354   2024-08-04   
608-940 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-08-26   
608-940 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-08-26   
608-940 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2024-11-03   
608-940 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-08-04   
608-940 9 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-08-04   
608-949 A MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354      
608-949 0 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2018-10-23   
608-949 1 MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2018-10-22   
608-949 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2018-12-07   
608-949 3 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2018-11-03   
608-949 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2018-12-07   
608-949 5 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354   2019-02-28   
608-949 6 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2018-12-17   
608-949 7 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2018-12-17   
608-949 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354   2018-12-17   
608-949 9 MDSRWIKEDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 354   2018-11-29   
608-957 A MDSNWI11DS0  9327 WISCONSIN BELL INC 354      
608-957 0 MDSNWI11DS0  9327 WISCONSIN BELL INC 354      
608-957 1 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-08-23   
608-957 2 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-08-23   
608-957 3 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2007-02-20   
608-957 4 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2007-02-20   
608-957 5 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-10-07   
608-957 6 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-06-30   
608-957 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-06-19   
608-957 8 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2010-09-19   
608-957 9 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2006-06-30   
608-960 A MDSNWI11X0Y  156J RCLEC, INC. 354      
608-960 0 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-09-16   
608-960 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-09-16   
608-960 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-10-05   
608-960 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-09-25   
608-960 4 MDSNWI11X0Y  156J RCLEC, INC. 354   2014-08-24   
608-960 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-09-25   
608-960 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2014-09-25   
608-960 7 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-10-18   
608-960 8 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-10-18   
608-960 9 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-10-18   
608-961 A   225C ONVOY, LLC - WI 354   2025-03-29   
608-961 0   225C ONVOY, LLC - WI 354   2025-03-29   
608-961 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2025-05-25   
608-961 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2025-03-31   
608-961 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2025-03-31   
608-977 A MDSNWI14DS0  9327 WISCONSIN BELL INC 354      
608-977 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-10-02   
608-977 1 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-10-12   
608-977 2 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-11-21   
608-977 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-09-30   
608-977 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2016-09-30   
608-977 5 MDSNWI14DS0  9327 WISCONSIN BELL INC 354   2015-05-28   
608-977 6 MDSNWI14DS0  9327 WISCONSIN BELL INC 354   2015-05-28   
608-977 7 MDSNWI14DS0  9327 WISCONSIN BELL INC 354   2015-05-28   
608-977 8 MDSNWI14DS0  9327 WISCONSIN BELL INC 354   2015-05-28   
608-977 9 MDSNWI14DS0  9327 WISCONSIN BELL INC 354   2015-05-28   
608-982 A MDSNWI11XBY  197D VONAGE AMERICA LLC 354      
608-982 0 MDSNWI11XBY  197D VONAGE AMERICA LLC 354   2018-05-14   
608-982 1 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2018-07-06   
608-982 2 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2018-09-08   
608-982 3 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2018-09-08   
608-982 4 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2018-09-08   
608-982 5 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2018-09-08   
608-982 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2018-07-06   
608-982 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2018-07-06   
608-982 8 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354   2021-07-11   
608-982 9 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354   2023-01-02   
608-999 A MDSNWI11XAX  225C ONVOY, LLC - WI 354      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.