Local Calling Guide
Area code/prefix search
Columbus, WI
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 274-205
| A |
|
6529 T-MOBILE USA, INC. |
356 |
|
2025-03-02 |
|
| 274-205
| 0 |
|
5562 METROPCS, INC. |
356 |
|
2025-03-30 |
|
| 274-205
| 9 |
|
6529 T-MOBILE USA, INC. |
356 |
|
2025-03-02 |
|
| 920-350
| A |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
|
|
| 920-350
| 0 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
2005-03-20 |
|
| 920-350
| 1 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2015-06-29 |
|
| 920-350
| 2 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2007-04-24 |
|
| 920-350
| 3 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2011-01-06 |
|
| 920-350
| 4 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2018-06-01 |
|
| 920-350
| 5 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2012-01-13 |
|
| 920-350
| 6 |
MILWWIAUDS2 |
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2011-10-24 |
|
| 920-350
| 7 |
MILWWIAUDS2 |
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2013-10-27 |
|
| 920-350
| 8 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2014-06-19 |
|
| 920-350
| 9 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2008-11-22 |
|
| 920-623
| A |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 0 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 1 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 2 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 3 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 4 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 5 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 6 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 7 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-623
| 8 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-03-31 |
|
| 920-623
| 9 |
CLMBWI11RS0 |
9327 WISCONSIN BELL INC |
356 |
|
|
|
| 920-626
| A |
MILWWIHEVMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
356 |
|
|
|
| 920-626
| 0 |
MILWWIAUX6Y |
073H TELNYX LLC |
356 |
|
2017-08-03 |
|
| 920-626
| 1 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
2018-08-26 |
|
| 920-626
| 2 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2015-01-01 |
|
| 920-626
| 3 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-03-31 |
|
| 920-626
| 4 |
MILWWIDK6MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
356 |
|
2004-07-02 |
|
| 920-626
| 5 |
MILWWIHEWMD |
516C AT&T CORP. |
356 |
|
2011-11-28 |
|
| 920-626
| 6 |
MILWWIDK6MD |
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
356 |
|
2007-04-19 |
|
| 920-626
| 7 |
MILWWI45XBX |
508J CENTURYLINK COMMUNICATIONS, LLC |
356 |
|
2014-12-30 |
|
| 920-626
| 8 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2015-05-04 |
|
| 920-626
| 9 |
MILWWIHEVMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
356 |
|
|
|
| 920-630
| A |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-630
| 0 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-630
| 1 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2021-01-10 |
|
| 920-630
| 3 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2021-04-08 |
|
| 920-630
| 4 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2021-04-08 |
|
| 920-630
| 5 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2021-12-18 |
|
| 920-630
| 6 |
MILWWI12XTX |
624H ONVOY SPECTRUM, LLC |
356 |
|
2021-06-25 |
|
| 920-630
| 7 |
MILWWIAU11Z |
490J DISH WIRELESS, LLC |
356 |
|
2023-08-19 |
|
| 920-630
| 8 |
MILWWIAUX7Y |
939H COMMIO, LLC |
356 |
|
2022-12-05 |
|
| 920-630
| 9 |
MILWWIAUDS2 |
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2021-03-28 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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