Local Calling Guide
Area code/prefix search
Jefferson, WI
1 2 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 920-541
| A |
MILWWIHEVMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
356 |
|
|
|
| 920-541
| 0 |
|
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2013-05-05 |
|
| 920-541
| 1 |
|
225C ONVOY, LLC - WI |
356 |
|
2016-04-11 |
|
| 920-541
| 2 |
|
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
356 |
|
2005-11-12 |
|
| 920-541
| 3 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
2006-02-11 |
|
| 920-541
| 4 |
|
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
356 |
|
2004-07-02 |
|
| 920-541
| 5 |
|
225C ONVOY, LLC - WI |
356 |
|
2016-04-11 |
|
| 920-541
| 6 |
|
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2010-04-03 |
|
| 920-541
| 7 |
|
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2010-08-08 |
|
| 920-541
| 8 |
|
516C AT&T CORP. |
356 |
|
2011-11-28 |
|
| 920-541
| 9 |
|
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
356 |
|
|
|
| 920-605
| A |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 920-605
| 0 |
|
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 920-605
| 1 |
|
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2013-05-05 |
|
| 920-605
| 2 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
2020-10-25 |
|
| 920-605
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
356 |
|
2012-03-16 |
|
| 920-605
| 4 |
|
624H ONVOY SPECTRUM, LLC |
356 |
|
2021-06-25 |
|
| 920-605
| 5 |
|
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2014-06-20 |
|
| 920-605
| 6 |
|
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 920-605
| 7 |
|
145J TERRA NOVA TELECOM INC. |
356 |
|
2022-12-17 |
|
| 920-605
| 8 |
|
073H TELNYX LLC |
356 |
|
2017-04-24 |
|
| 920-605
| 9 |
|
225C ONVOY, LLC - WI |
356 |
|
2015-05-17 |
|
| 920-640
| A |
MILWWI12X7X |
9748 AMERICAN MESSAGING SERVICES, LLC |
356 |
|
|
|
| 920-650
| A |
MILXWIJIGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
|
|
| 920-650
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
|
|
| 920-650
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
|
|
| 920-650
| 2 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
|
|
| 920-650
| 3 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2004-12-30 |
|
| 920-650
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2007-05-17 |
|
| 920-650
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2008-01-13 |
|
| 920-650
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2005-04-17 |
|
| 920-650
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
|
|
| 920-650
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2008-10-29 |
|
| 920-650
| 9 |
|
145J TERRA NOVA TELECOM INC. |
356 |
|
2023-06-24 |
|
| 920-674
| A |
JFSNWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-675
| A |
JFSNWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-675
| 0 |
|
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-675
| 1 |
|
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-675
| 2 |
|
225C ONVOY, LLC - WI |
356 |
|
2021-04-08 |
|
| 920-675
| 3 |
|
225C ONVOY, LLC - WI |
356 |
|
2021-04-08 |
|
| 920-675
| 4 |
|
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-675
| 5 |
|
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2025-12-18 |
|
| 920-675
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2006-08-24 |
|
| 920-675
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
356 |
|
2014-12-06 |
|
| 920-675
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2025-03-24 |
|
| 920-675
| 9 |
|
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2008-11-22 |
|
| 920-747
| A |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 920-747
| 0 |
|
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 920-747
| 1 |
|
520K TDS METROCOM, LLC |
356 |
|
2023-05-01 |
|
| 920-747
| 2 |
|
516J TON80 COMMUNICATIONS, LLC |
356 |
|
2021-09-16 |
|
1 2 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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