Local Calling Guide
Area code/prefix search
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 27 28 29 30 31 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 608-720
| 5 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2016-07-11 |
|
| 608-720
| 6 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2016-07-11 |
|
| 608-720
| 7 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2016-10-13 |
|
| 608-720
| 8 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2016-08-15 |
|
| 608-720
| 9 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2016-08-15 |
|
| 608-721
| A |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2025-03-30 |
|
| 608-721
| 0 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2008-10-30 |
|
| 608-721
| 1 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2008-10-30 |
|
| 608-721
| 2 |
|
145J TERRA NOVA TELECOM INC. |
354 |
|
2024-12-29 |
|
| 608-721
| 3 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2025-01-24 |
|
| 608-721
| 4 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2025-01-24 |
|
| 608-721
| 5 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2011-03-21 |
|
| 608-721
| 6 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2010-11-20 |
|
| 608-721
| 7 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2011-03-21 |
|
| 608-721
| 8 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2024-12-05 |
|
| 608-721
| 9 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2025-09-22 |
|
| 608-722
| A |
MDSRWIKE6MD |
321J HD CARRIER LLC |
354 |
|
|
|
| 608-722
| 0 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2021-05-10 |
|
| 608-722
| 1 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2021-05-10 |
|
| 608-722
| 2 |
MDSNWI11XOY |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
354 |
|
2021-01-12 |
|
| 608-722
| 3 |
MDSNWI11XOY |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
354 |
|
2021-01-12 |
|
| 608-722
| 4 |
MDSNWI11XOY |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
354 |
|
2021-01-12 |
|
| 608-722
| 5 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2021-05-10 |
|
| 608-722
| 6 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2021-03-12 |
|
| 608-722
| 7 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2021-05-10 |
|
| 608-722
| 8 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2021-05-10 |
|
| 608-722
| 9 |
MDSRWIKE6MD |
321J HD CARRIER LLC |
354 |
|
2020-11-23 |
|
| 608-729
| A |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
|
|
| 608-729
| 0 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2013-09-20 |
|
| 608-729
| 1 |
MDSNWIGJ5MD |
520K TDS METROCOM, LLC |
354 |
|
2007-12-16 |
|
| 608-729
| 2 |
MDSNWIGJ5MD |
520K TDS METROCOM, LLC |
354 |
|
2008-09-06 |
|
| 608-729
| 3 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2010-06-12 |
|
| 608-729
| 4 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2005-12-31 |
|
| 608-729
| 5 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2006-09-05 |
|
| 608-729
| 6 |
MDSNWIGJ5MD |
520K TDS METROCOM, LLC |
354 |
|
2009-04-16 |
|
| 608-729
| 7 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2010-12-11 |
|
| 608-729
| 8 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2010-12-11 |
|
| 608-729
| 9 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2011-05-30 |
|
| 608-733
| A |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
|
|
| 608-733
| 0 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2017-10-31 |
|
| 608-733
| 1 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2017-10-31 |
|
| 608-733
| 2 |
MDSNWI11XOY |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
354 |
|
2017-10-17 |
|
| 608-733
| 3 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2018-09-10 |
|
| 608-733
| 4 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2018-10-05 |
|
| 608-733
| 5 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2018-10-05 |
|
| 608-733
| 6 |
MDSRWIKEDS0 |
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
354 |
|
2018-07-23 |
|
| 608-733
| 7 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2017-10-11 |
|
| 608-733
| 8 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2017-10-11 |
|
| 608-733
| 9 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2017-10-11 |
|
| 608-740
| A |
MDSNWI11XYY |
829J PAETEC ITEL, LLC |
354 |
|
|
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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