Local Calling Guide
Area code/prefix search
Madison, WI
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 608-709
| A |
MDSNWI11XSX |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
354 |
|
|
|
| 608-709
| 0 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2013-11-30 |
|
| 608-709
| 1 |
FTBGWIDK1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
354 |
|
2013-07-18 |
|
| 608-709
| 2 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2013-02-22 |
|
| 608-709
| 3 |
MDSNWI11XSX |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
354 |
|
2012-11-26 |
|
| 608-709
| 4 |
MDSNWI11XOY |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
354 |
|
2013-08-23 |
|
| 608-709
| 5 |
FTBGWIDK1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
354 |
|
2013-09-18 |
|
| 608-709
| 6 |
MDSNWI11XQX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
354 |
|
2013-12-09 |
|
| 608-709
| 7 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2014-05-04 |
|
| 608-709
| 8 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2014-06-19 |
|
| 608-709
| 9 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2014-06-19 |
|
| 608-710
| A |
MDSNWI11XAY |
624H ONVOY SPECTRUM, LLC |
354 |
|
|
|
| 608-710
| 0 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2021-05-09 |
|
| 608-710
| 1 |
MDSNWI11XAY |
624H ONVOY SPECTRUM, LLC |
354 |
|
2021-07-11 |
|
| 608-710
| 2 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2019-11-21 |
|
| 608-710
| 3 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2019-11-21 |
|
| 608-710
| 4 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2020-01-31 |
|
| 608-710
| 5 |
MDSNWI11XAY |
624H ONVOY SPECTRUM, LLC |
354 |
|
2020-07-06 |
|
| 608-710
| 6 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2020-06-02 |
|
| 608-710
| 7 |
MDSNWI11XAY |
624H ONVOY SPECTRUM, LLC |
354 |
|
2019-11-15 |
|
| 608-710
| 8 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2021-06-03 |
|
| 608-710
| 9 |
MDSNWI11XAY |
624H ONVOY SPECTRUM, LLC |
354 |
|
2021-07-11 |
|
| 608-712
| A |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 0 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 1 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 2 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 3 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 4 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 5 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 6 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 7 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 8 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-712
| 9 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
|
|
| 608-716
| A |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
|
|
| 608-716
| 0 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2019-07-03 |
|
| 608-716
| 1 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2019-10-18 |
|
| 608-716
| 2 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2019-06-13 |
|
| 608-716
| 3 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2019-11-07 |
|
| 608-716
| 4 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2019-11-07 |
|
| 608-716
| 5 |
MDSNWI025MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
354 |
|
2019-09-27 |
|
| 608-716
| 6 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2019-09-19 |
|
| 608-716
| 7 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2019-11-07 |
|
| 608-716
| 8 |
MDSNWI11XIX |
007F BANDWIDTH.COM CLEC, LLC - WI |
354 |
|
2019-10-05 |
|
| 608-716
| 9 |
MDSNWI11XEY |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
354 |
|
2019-10-18 |
|
| 608-720
| A |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
|
|
| 608-720
| 0 |
MDSNWIPU2MD |
6274 UNITED STATES CELLULAR - WI |
354 |
|
2016-08-25 |
|
| 608-720
| 1 |
FTBGWIDK1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
354 |
|
2016-10-03 |
|
| 608-720
| 2 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2016-07-18 |
|
| 608-720
| 3 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2016-07-18 |
|
| 608-720
| 4 |
MDSNWI11X4Y |
6529 T-MOBILE USA, INC. |
354 |
|
2016-10-13 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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