Local Calling Guide
Area code/prefix search
Fort Atkinson, WI
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 920-723
| 3 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-723
| 4 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-723
| 5 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-723
| 6 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-723
| 7 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-723
| 8 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
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| 920-723
| 9 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
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| 920-728
| A |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-728
| 0 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-728
| 1 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
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| 920-728
| 2 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-728
| 3 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-728
| 4 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-728
| 5 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2007-03-30 |
|
| 920-728
| 6 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2014-03-31 |
|
| 920-728
| 7 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2015-01-01 |
|
| 920-728
| 8 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2015-11-02 |
|
| 920-728
| 9 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2020-04-22 |
|
| 920-817
| A |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2024-01-29 |
|
| 920-817
| 0 |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
2022-01-03 |
|
| 920-817
| 1 |
MILXWIJIGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2022-01-04 |
|
| 920-817
| 2 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2023-07-09 |
|
| 920-817
| 3 |
MILWWI12XBY |
520K TDS METROCOM, LLC |
356 |
|
2023-05-30 |
|
| 920-817
| 4 |
MILXWIJIGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2023-11-13 |
|
| 920-817
| 5 |
MILXWIJIGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2025-06-01 |
|
| 920-817
| 6 |
MILWWIAU11Z |
490J BOOST SUBSCRIBERCO L.L.C. |
356 |
|
2024-04-27 |
|
| 920-817
| 7 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2022-02-19 |
|
| 920-817
| 8 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2022-02-19 |
|
| 920-817
| 9 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2023-09-15 |
|
| 920-951
| A |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2024-02-12 |
|
| 920-951
| 0 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2024-02-12 |
|
| 920-951
| 1 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2025-02-17 |
|
| 920-951
| 3 |
MILWWIAUDS2 |
227F PEERLESS NETWORK OF WISCONSIN, LLC - WI |
356 |
|
2026-04-25 |
|
| 920-951
| 9 |
MILXWIJIGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
356 |
|
2026-06-06 |
|
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Last updated: Tue, 29 Sep 2026 03:00:13 UTC
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