414 Area Code: Location, Cities, Map And Time Zone
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© OpenStreetMap contributorsFor exact NPA boundaries see official 414 area code map
414-300-XXXX --- 414-399-XXXX
414-400-XXXX --- 414-499-XXXX
414-500-XXXX --- 414-596-XXXX
414-600-XXXX --- 414-699-XXXX
414-702-XXXX --- 414-799-XXXX
414-800-XXXX --- 414-899-XXXX
414-902-XXXX --- 414-999-XXXX
Area code 414 is in Wisconsin, USA , spanning 2 counties and serving 11 cities , including Milwaukee, West Allis or Wauwatosa; it currently uses 548 prefixes , assigned from 414-200-XXXX through 414-999-XXXX.
In service date for area code 414: January 01, 1947.
The current local time is .
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More Wisconsin area codes:
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- 715
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Locate any 414-NXX prefix:
414-200-XXXX --- 414-299-XXXX| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-200 | Onvoy Spectrum | Milwaukee Zone 1 | 9/26/2022 |
| 414-201 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-202 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-203 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | N/A |
| 414-204 | Nuso | Milwaukee Zone 1 | 3/8/2013 |
| 414-205 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-206 | T-Mobile USA | Milwaukee Zone 4 | 5/22/2015 |
| 414-207 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | N/A |
| 414-208 | Cellco Partnership | Milwaukee Zone 1 | 12/8/2005 |
| 414-209 | MCIMetro Access Transmission Services | Milwaukee Zone 3 | N/A |
| 414-210 | T-Mobile USA | Milwaukee Zone 1 | 2/5/2015 |
| 414-212 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-213 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-214 | MCIMetro Access Transmission Services | Milwaukee Zone 4 | N/A |
| 414-215 | AT&T Enterprises | Milwaukee Zone 5 | 1/13/2006 |
| 414-216 | MCIMetro Access Transmission Services | Milwaukee Zone 5 | N/A |
| 414-217 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-218 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-219 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-220 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-221 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-222 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-223 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-224 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-225 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-226 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-227 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-228 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-229 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-230 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-231 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-232 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-233 | T-Mobile USA | Milwaukee Zone 1 | 1/31/2011 |
| 414-234 | T-Mobile USA | Milwaukee Zone 5 | 4/2/2002 |
| 414-235 | T-Mobile USA | Milwaukee Zone 3 | 4/2/2002 |
| 414-236 | T-Mobile USA | Milwaukee Zone 4 | 4/2/2002 |
| 414-237 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-238 | Onvoy | Milwaukee Zone 1 | N/A |
| 414-239 | Cellco Partnership | Milwaukee Zone 1 | 1/25/2011 |
| 414-240 | Onvoy | Milwaukee Zone 1 | 11/20/2015 |
| 414-241 | T-Mobile USA | Milwaukee Zone 5 | N/A |
| 414-242 | Cellco Partnership | Milwaukee Zone 1 | 7/31/2012 |
| 414-243 | T-Mobile USA | Milwaukee Zone 1 | 1/22/2003 |
| 414-244 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-245 | Wisconsin Bell Inc | Milwaukee Zone 1 | 5/6/2008 |
| 414-246 | Onvoy | Milwaukee Zone 3 | 12/24/2015 |
| 414-247 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-248 | New Cingular Wireless PCS | Milwaukee Zone 1 | 6/20/2002 |
| 414-249 | T-Mobile USA | Milwaukee Zone 1 | 9/20/2013 |
| 414-250 | Teleport Communications America | Milwaukee Zone 1 | 1/13/2020 |
| 414-251 | Teleport Communications America | Milwaukee Zone 1 | 3/9/2020 |
| 414-252 | AT&T Enterprises | Milwaukee Zone 1 | 8/12/2016 |
| 414-253 | Bandwidth.com Clec | Milwaukee Zone 1 | 1/31/2017 |
| 414-254 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-255 | Paetec Itel | Milwaukee Zone 1 | 6/23/2008 |
| 414-256 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-257 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-258 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-259 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-260 | Nuso | Milwaukee Zone 1 | 5/21/2020 |
| 414-261 | HD Carrier | Milwaukee Zone 1 | 10/2/2020 |
| 414-262 | T-Mobile USA | Milwaukee Zone 4 | 08/28/2023 |
| 414-263 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-264 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-265 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-266 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-267 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-268 | Vonage America | Milwaukee Zone 3 | 6/24/2021 |
| 414-269 | Level 3 Communications | Milwaukee Zone 1 | 5/31/2005 |
| 414-270 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-271 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-272 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-273 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-274 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-275 | T-Mobile USA | Milwaukee Zone 1 | 8/13/2015 |
| 414-276 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-277 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-278 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-279 | Ip Horizon | Milwaukee Zone 1 | 5/3/2021 |
| 414-280 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-281 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-282 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-283 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-284 | Stratus Networks | Milwaukee Zone 4 | 11/19/2020 |
| 414-285 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | 10/15/2020 |
| 414-286 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-287 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-288 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-289 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-290 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-291 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-292 | Tds Metrocom | Milwaukee Zone 1 | 2/14/2006 |
| 414-293 | Bandwidth.com Clec | Milwaukee Zone 1 | 6/11/2021 |
| 414-294 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-295 | MetroPCS | Milwaukee Zone 5 | 5/14/2019 |
| 414-296 | Onvoy | Milwaukee Zone 1 | 3/27/2019 |
| 414-297 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-298 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-299 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-300 | Onvoy Spectrum | Milwaukee Zone 1 | 07/19/2023 |
| 414-301 | Level 3 Communications | Milwaukee Zone 5 | 12/8/2005 |
| 414-302 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-303 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-304 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-305 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-306 | New Cingular Wireless PCS | Milwaukee Zone 3 | 2/17/2006 |
| 414-307 | Level 3 Communications | Milwaukee Zone 1 | 2/24/2022 |
| 414-308 | Paetec Itel | Milwaukee Zone 1 | 12/30/2008 |
| 414-309 | Cellco Partnership | Milwaukee Zone 1 | 2/4/2022 |
| 414-310 | Onvoy | Milwaukee Zone 1 | 8/9/2017 |
| 414-312 | Level 3 Communications | Milwaukee Zone 1 | 11/9/2005 |
| 414-313 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-314 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-315 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-316 | Cellco Partnership | Milwaukee Zone 1 | 9/7/2012 |
| 414-317 | T-Mobile USA | Milwaukee Zone 1 | 1/20/2022 |
| 414-318 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-319 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-320 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-321 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-322 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-323 | New Cingular Wireless PCS | Milwaukee Zone 1 | 9/23/2011 |
| 414-324 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-325 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-326 | Level 3 Communications | Milwaukee Zone 1 | 9/28/2001 |
| 414-327 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-328 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-329 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-330 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-331 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-332 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-333 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-334 | T-Mobile USA | Milwaukee Zone 5 | 2/24/2003 |
| 414-335 | Cellco Partnership | Milwaukee Zone 1 | 9/15/2008 |
| 414-336 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-337 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-338 | Onvoy | Milwaukee Zone 1 | 9/24/2021 |
| 414-339 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-340 | Onvoy | Milwaukee Zone 1 | 09/13/2023 |
| 414-341 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-342 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-343 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-344 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-345 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-346 | Onvoy | Milwaukee Zone 5 | 12/29/2015 |
| 414-347 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-348 | Fractel | Milwaukee Zone 4 | 3/2/2020 |
| 414-349 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-350 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-351 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-352 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-353 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-354 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-355 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-356 | Onvoy | Milwaukee Zone 1 | 12/11/2023 |
| 414-357 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-358 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-359 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-360 | Onvoy Spectrum | Milwaukee Zone 5 | 01/11/2024 |
| 414-361 | Onvoy | Milwaukee Zone 1 | 02/21/2024 |
| 414-362 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-363 | Onvoy | Milwaukee Zone 3 | 12/15/2021 |
| 414-364 | T-Mobile USA | Milwaukee Zone 4 | N/A |
| 414-365 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-366 | T-Mobile USA | Milwaukee Zone 1 | 2/25/2011 |
| 414-367 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 3 | 11/18/2002 |
| 414-368 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 4 | 11/18/2002 |
| 414-369 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 5 | 11/18/2002 |
| 414-370 | Commio | Milwaukee Zone 1 | 03/06/2024 |
| 414-371 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-372 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-373 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | 7/13/2022 |
| 414-374 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-375 | Level 3 Communications | Milwaukee Zone 4 | 12/16/2002 |
| 414-376 | Level 3 Communications | Milwaukee Zone 5 | 12/16/2002 |
| 414-377 | Level 3 Communications | Milwaukee Zone 3 | 12/16/2002 |
| 414-378 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-379 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-380 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-381 | T-Mobile USA | Milwaukee Zone 4 | 8/29/2022 |
| 414-382 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-383 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-384 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-385 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-386 | Level 3 Communications | Milwaukee Zone 3 | N/A |
| 414-387 | Onvoy | Milwaukee Zone 1 | 03/29/2024 |
| 414-388 | T-Mobile USA | Milwaukee Zone 1 | 6/9/2011 |
| 414-389 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-390 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-391 | T-Mobile USA | Milwaukee Zone 1 | 6/21/2011 |
| 414-392 | Onvoy | Milwaukee Zone 4 | 04/10/2024 |
| 414-393 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-394 | T-Mobile USA | Milwaukee Zone 1 | 7/27/2011 |
| 414-395 | Bandwidth.com Clec | Milwaukee Zone 1 | 5/15/2008 |
| 414-396 | Cellco Partnership | Milwaukee Zone 1 | 05/22/2024 |
| 414-397 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-398 | Onvoy | Milwaukee Zone 1 | 05/31/2024 |
| 414-399 | Cellco Partnership | Milwaukee Zone 1 | 10/18/2010 |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-400 | Onvoy | Milwaukee Zone 1 | 10/18/2012 |
| 414-401 | New Cingular Wireless PCS | Milwaukee Zone 1 | 07/08/2024 |
| 414-402 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-403 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-404 | Peerless Network Of Wisconsin | Milwaukee Zone 1 | 1/10/2020 |
| 414-405 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-406 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-407 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-408 | Bandwidth.com Clec | Milwaukee Zone 1 | 08/15/2024 |
| 414-409 | Teleport Communications America | Milwaukee Zone 3 | N/A |
| 414-410 | Teleport Communications America | Milwaukee Zone 4 | N/A |
| 414-412 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-413 | Bandwidth.com Clec | Milwaukee Zone 5 | 08/20/2024 |
| 414-414 | Onvoy | Milwaukee Zone 3 | 9/26/2022 |
| 414-415 | Onvoy Spectrum | Milwaukee Zone 3 | 2/5/2021 |
| 414-416 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-417 | Bandwidth.com Clec | Milwaukee Zone 3 | 09/25/2024 |
| 414-418 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-419 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-420 | Onvoy | Milwaukee Zone 4 | 3/13/2019 |
| 414-421 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-422 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-423 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-424 | Onvoy | Milwaukee Zone 1 | 11/15/2022 |
| 414-425 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-426 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-427 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-428 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-429 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-430 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-431 | Paetec Itel | Milwaukee Zone 1 | N/A |
| 414-432 | Fractel | Milwaukee Zone 5 | 7/2/2021 |
| 414-433 | Paetec Itel | Milwaukee Zone 3 | N/A |
| 414-434 | Paetec Itel | Milwaukee Zone 4 | N/A |
| 414-435 | Paetec Itel | Milwaukee Zone 5 | N/A |
| 414-436 | Onvoy | Milwaukee Zone 1 | 8/11/2014 |
| 414-437 | Eon Telecom | Milwaukee Zone 5 | 10/08/2024 |
| 414-438 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-439 | T-Mobile USA | Milwaukee Zone 1 | 3/17/2014 |
| 414-440 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-441 | Onvoy | Milwaukee Zone 3 | 6/22/2020 |
| 414-442 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-443 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-444 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-445 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-446 | T-Mobile USA | Milwaukee Zone 4 | 3/1/2004 |
| 414-447 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-448 | Paetec Itel | Milwaukee Zone 3 | N/A |
| 414-449 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-450 | Eon Telecom | Milwaukee Zone 4 | 10/08/2024 |
| 414-451 | Onvoy Spectrum | Milwaukee Zone 1 | 01/29/2025 |
| 414-452 | United States Cellular | Milwaukee Zone 1 | 03/05/2025 |
| 414-453 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-454 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-455 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | 10/28/2003 |
| 414-456 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-457 | United States Cellular | Milwaukee Zone 1 | 03/05/2025 |
| 414-458 | Cellco Partnership | Milwaukee Zone 3 | 8/3/2012 |
| 414-459 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-460 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-461 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-462 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-463 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-464 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-465 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-466 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-467 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-468 | United States Cellular | Milwaukee Zone 1 | 03/05/2025 |
| 414-469 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-470 | United States Cellular | Milwaukee Zone 1 | 03/05/2025 |
| 414-471 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-472 | United States Cellular | Milwaukee Zone 1 | 03/05/2025 |
| 414-473 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-474 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-475 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-476 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-477 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-478 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-479 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-480 | USA Mobility Wireless | Milwaukee Zone 5 | N/A |
| 414-481 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-482 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-483 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-484 | T-Mobile USA | Milwaukee Zone 1 | 1/31/2011 |
| 414-485 | Peerless Network Of Wisconsin | Milwaukee Zone 1 | 6/22/2017 |
| 414-486 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-487 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-488 | Teleport Communications America | Milwaukee Zone 1 | 10/22/2015 |
| 414-489 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-490 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-491 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-492 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-493 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-494 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-495 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-496 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-497 | Cellco Partnership | Milwaukee Zone 5 | 3/15/2022 |
| 414-498 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-499 | T-Mobile USA | Milwaukee Zone 1 | 1/31/2011 |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-500 | Onvoy Spectrum | Milwaukee Zone 3 | 01/11/2024 |
| 414-501 | Teleport Communications America | Milwaukee Zone 5 | N/A |
| 414-502 | Onvoy | Milwaukee Zone 1 | 1/14/2008 |
| 414-503 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-504 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-505 | United States Cellular | Milwaukee Zone 1 | 03/07/2025 |
| 414-506 | New Cingular Wireless PCS | Milwaukee Zone 1 | 09/08/2025 |
| 414-507 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-508 | Onvoy | Milwaukee Zone 1 | 10/02/2025 |
| 414-509 | T-Mobile USA | Milwaukee Zone 1 | 8/13/2015 |
| 414-510 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-512 | New Cingular Wireless PCS | Milwaukee Zone 1 | 10/09/2025 |
| 414-513 | New Cingular Wireless PCS | Milwaukee Zone 1 | 11/10/2025 |
| 414-514 | New Cingular Wireless PCS | Milwaukee Zone 1 | 12/3/2008 |
| 414-515 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-516 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | N/A |
| 414-517 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-519 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-520 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-522 | Cellco Partnership | Milwaukee Zone 1 | 11/16/2012 |
| 414-524 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-525 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-526 | New Cingular Wireless PCS | Milwaukee Zone 1 | 1/29/2002 |
| 414-527 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-529 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-530 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-531 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-533 | Paetec Itel | Milwaukee Zone 1 | 3/25/2014 |
| 414-534 | New Cingular Wireless PCS | Milwaukee Zone 3 | 12/20/2002 |
| 414-535 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-536 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-539 | TWC IP Enabled Services | Milwaukee Zone 1 | 12/14/2013 |
| 414-540 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-541 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-543 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-544 | New Cingular Wireless PCS | Milwaukee Zone 1 | 6/27/2008 |
| 414-545 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-546 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-550 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-551 | New Cingular Wireless PCS | Milwaukee Zone 1 | 5/6/2008 |
| 414-552 | New Cingular Wireless PCS | Milwaukee Zone 1 | 6/27/2008 |
| 414-553 | New Cingular Wireless PCS | Milwaukee Zone 1 | 6/27/2008 |
| 414-554 | New Cingular Wireless PCS | Milwaukee Zone 1 | 12/3/2008 |
| 414-557 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-558 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-559 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-562 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-563 | Paetec Itel | Milwaukee Zone 5 | N/A |
| 414-566 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-567 | Teleport Communications America | Milwaukee Zone 1 | 2/1/2021 |
| 414-570 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-571 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-573 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-574 | Teleport Communications America | Milwaukee Zone 5 | 5/1/2002 |
| 414-575 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-577 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-578 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-581 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-584 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-585 | Wisconsin Bell Inc | Milwaukee Zone 1 | 1/10/2013 |
| 414-586 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-587 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-588 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-590 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-595 | T-Mobile USA | Milwaukee Zone 1 | 4/25/2013 |
| 414-596 | American Messaging Services | Milwaukee Zone 1 | N/A |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-600 | Onvoy | Milwaukee Zone 4 | 10/19/2012 |
| 414-603 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-604 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-607 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-610 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-614 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-615 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-616 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-617 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-622 | Bandwidth.com Clec | Milwaukee Zone 4 | 2/16/2015 |
| 414-625 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-626 | Onvoy | Milwaukee Zone 5 | 3/14/2019 |
| 414-627 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-628 | T-Mobile USA | Milwaukee Zone 3 | N/A |
| 414-629 | T-Mobile USA | Milwaukee Zone 1 | 5/14/2015 |
| 414-630 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-635 | TWC IP Enabled Services | Milwaukee Zone 1 | 2/16/2017 |
| 414-639 | T-Mobile USA | Milwaukee Zone 1 | 6/3/2011 |
| 414-640 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-643 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-644 | Fractel | Milwaukee Zone 1 | 8/5/2020 |
| 414-645 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-646 | Wisconsin Bell Inc | Milwaukee Zone 1 | 3/1/2002 |
| 414-647 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-649 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-651 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-659 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-661 | Wisconsin Bell Inc | Milwaukee Zone 5 | 7/25/2002 |
| 414-662 | Peerless Network Of Wisconsin | Milwaukee Zone 1 | 8/31/2018 |
| 414-665 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-666 | Onvoy | Milwaukee Zone 1 | 9/27/2017 |
| 414-667 | Fractel | Milwaukee Zone 5 | 5/13/2020 |
| 414-669 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-670 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 1 | 11/26/2008 |
| 414-671 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-672 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-676 | MetroPCS | Milwaukee Zone 5 | 1/12/2017 |
| 414-677 | Onvoy | Milwaukee Zone 3 | 4/12/2021 |
| 414-678 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-687 | New Cingular Wireless PCS | Milwaukee Zone 1 | 8/7/2001 |
| 414-688 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-690 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-698 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-699 | MetroPCS | Milwaukee Zone 1 | N/A |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-702 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-704 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-708 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-710 | Onvoy Spectrum | Milwaukee Zone 1 | 10/23/2019 |
| 414-712 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-716 | Paetec Itel | Milwaukee Zone 4 | N/A |
| 414-718 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-719 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-721 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 1 | N/A |
| 414-722 | MetroPCS | Milwaukee Zone 1 | 1/7/2011 |
| 414-726 | Teleport Communications America | Milwaukee Zone 1 | 8/25/2020 |
| 414-727 | Tds Metrocom | Milwaukee Zone 1 | N/A |
| 414-731 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-732 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-736 | T-Mobile USA | Milwaukee Zone 1 | 1/16/2002 |
| 414-737 | T-Mobile USA | Milwaukee Zone 5 | 1/16/2002 |
| 414-739 | T-Mobile USA | Milwaukee Zone 1 | 1/31/2011 |
| 414-742 | Ton80 Communications | Milwaukee Zone 4 | 1/7/2022 |
| 414-744 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-745 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-747 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-748 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-750 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-751 | Level 3 Communications | Milwaukee Zone 4 | N/A |
| 414-755 | Paetec Itel | Milwaukee Zone 1 | N/A |
| 414-758 | Cellco Partnership | Milwaukee Zone 1 | N/A |
| 414-759 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-760 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-761 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-762 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-763 | TWC IP Enabled Services | Milwaukee Zone 1 | 2/2/2001 |
| 414-764 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-765 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-766 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-768 | Wisconsin Bell Inc | Milwaukee Zone 5 | N/A |
| 414-769 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-771 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-773 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-774 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-775 | Onvoy | Milwaukee Zone 5 | N/A |
| 414-777 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-778 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-779 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-786 | Fractel | Milwaukee Zone 4 | 8/27/2020 |
| 414-788 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-791 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-792 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-793 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-795 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-797 | T-Mobile USA | Milwaukee Zone 4 | 10/8/2013 |
| 414-799 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-800 | Onvoy | Milwaukee Zone 1 | 3/17/2015 |
| 414-801 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-803 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-805 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-807 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-808 | T-Mobile USA | Milwaukee Zone 1 | 6/9/2015 |
| 414-810 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-812 | Teleport Communications America | Milwaukee Zone 1 | 8/20/2020 |
| 414-813 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-815 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-816 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-817 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-828 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-831 | Paetec Itel | Milwaukee Zone 1 | N/A |
| 414-837 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-838 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-839 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-840 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-841 | MetroPCS | Milwaukee Zone 1 | N/A |
| 414-842 | Fractel | Milwaukee Zone 1 | 3/2/2020 |
| 414-844 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-847 | Paetec Itel | Milwaukee Zone 1 | N/A |
| 414-850 | Onvoy Spectrum | Milwaukee Zone 1 | 7/14/2022 |
| 414-852 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-855 | Wisconsin Bell Inc | Milwaukee Zone 3 | N/A |
| 414-856 | Tds Metrocom | Milwaukee Zone 5 | N/A |
| 414-858 | Tds Metrocom | Milwaukee Zone 3 | N/A |
| 414-861 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-865 | T-Mobile USA | Milwaukee Zone 4 | 4/25/2013 |
| 414-867 | Commio | Milwaukee Zone 1 | 7/2/2019 |
| 414-870 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-871 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-873 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-874 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-875 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-877 | Peerless Network Of Wisconsin | Milwaukee Zone 1 | 4/26/2010 |
| 414-881 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-882 | Cellco Partnership | Milwaukee Zone 1 | 7/12/2010 |
| 414-885 | TWC IP Enabled Services | Milwaukee Zone 1 | 1/20/2015 |
| 414-888 | Onvoy | Milwaukee Zone 5 | 12/24/2012 |
| 414-890 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-892 | Level 3 Communications | Milwaukee Zone 5 | N/A |
| 414-895 | Onvoy | Milwaukee Zone 3 | N/A |
| 414-897 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-899 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| NPANXX | Carrier1 | Area Served2 | Date3 |
|---|---|---|---|
| 414-902 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-905 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-906 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-907 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-908 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 1 | N/A |
| 414-909 | Bandwidth.com Clec | Milwaukee Zone 1 | 2/16/2015 |
| 414-914 | T-Mobile USA | Milwaukee Zone 1 | 3/18/2011 |
| 414-915 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-916 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-917 | American Messaging Services | Milwaukee Zone 1 | N/A |
| 414-918 | Level 3 Telecom Of Wisconsin | Milwaukee Zone 1 | N/A |
| 414-921 | Level 3 Communications | Milwaukee Zone 1 | N/A |
| 414-928 | T-Mobile USA | Milwaukee Zone 4 | 5/21/2015 |
| 414-930 | Rclec | Milwaukee Zone 1 | 6/27/2014 |
| 414-931 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-933 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-934 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-935 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-936 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-937 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-939 | Wisconsin Bell Inc | Milwaukee Zone 1 | 10/18/2010 |
| 414-940 | United States Cellular | Milwaukee Zone 1 | N/A |
| 414-941 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-943 | New Cingular Wireless PCS | Milwaukee Zone 1 | N/A |
| 414-944 | MCIMetro Access Transmission Services | Milwaukee Zone 1 | N/A |
| 414-946 | Fractel | Milwaukee Zone 5 | 8/27/2020 |
| 414-949 | T-Mobile USA | Milwaukee Zone 1 | 10/25/2010 |
| 414-955 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-961 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-962 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-963 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-964 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-966 | Fractel | Milwaukee Zone 1 | 7/2/2021 |
| 414-967 | Wisconsin Bell Inc | Milwaukee Zone 1 | N/A |
| 414-973 | Teleport Communications America | Milwaukee Zone 4 | N/A |
| 414-975 | T-Mobile USA | Milwaukee Zone 1 | N/A |
| 414-977 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-978 | Teleport Communications America | Milwaukee Zone 1 | N/A |
| 414-979 | Wisconsin Bell Inc | Milwaukee Zone 4 | N/A |
| 414-981 | USA Mobility Wireless | Milwaukee Zone 1 | N/A |
| 414-982 | Level 3 Communications | Milwaukee Zone 1 | 8/6/2010 |
| 414-985 | Wisconsin Bell Inc | Milwaukee Zone 1 | 5/3/2001 |
| 414-988 | TWC IP Enabled Services | Milwaukee Zone 1 | 10/18/2010 |
| 414-998 | Vonage America | Milwaukee Zone 1 | 9/27/2017 |
| 414-999 | Peerless Network Of Wisconsin | Milwaukee Zone 1 | 11/4/2015 |
- NPA-NXX assigned carrier; with Number Pooling thousand block numbers are often assigned to other carriers as well; moreover, phone numbers can be ported between service providers
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: November 22, 2025
Cities in area code 414
| City1 | County | Time Zone1 |
|---|---|---|
| Caledonia | Racine | C |
| Cudahy | Milwaukee | C |
| Franklin | Milwaukee | C |
| Greendale | Milwaukee | C |
| Greenfield | Milwaukee | C |
| Hales Corners | Milwaukee | C |
| Milwaukee | Milwaukee | C |
| Oak Creek | Milwaukee | C |
| South Milwaukee | Milwaukee | C |
| Wauwatosa | Milwaukee | C |
| West Allis | Milwaukee | C |
- Listed above are most places served by USA area code 414. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- C stands for Central Time (currently ).
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