Milwaukee Zone 3, WI — rate center
Milwaukee Zone 3 is a telephone rate center in Wisconsin served by area code 414. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.
31 central-office prefixes are currently anchored to this rate center, held by 14 different carriers. Pooling applies to 23 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the (Milwaukee-Waukesha, WI Metropolitan Statistical Area). Routing-wise it sits in LATA 356.
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to Milwaukee Zone 3
| Prefix | Code holder | Pooled |
|---|---|---|
| 414-209 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Yes |
| 414-235 | T-MOBILE USA, INC. | Yes |
| 414-246 | ONVOY, LLC - WI | Yes |
| 414-268 | VONAGE AMERICA LLC | Yes |
| 414-306 | NEW CINGULAR WIRELESS PCS, LLC - IL | Yes |
| 414-363 | ONVOY, LLC - WI | Yes |
| 414-367 | LEVEL 3 TELECOM OF WISCONSIN, LP - WI | Yes |
| 414-377 | LEVEL 3 COMMUNICATIONS, LLC - WI | Yes |
| 414-386 | LEVEL 3 COMMUNICATIONS, LLC - WI | Yes |
| 414-409 | TELEPORT COMMUNICATIONS AMERICA, LLC WI | Yes |
| 414-414 | ONVOY, LLC - WI | Yes |
| 414-415 | ONVOY SPECTRUM, LLC | Yes |
| 414-417 | BANDWIDTH.COM CLEC, LLC - WI | Yes |
| 414-421 | WISCONSIN BELL INC | No |
| 414-422 | WISCONSIN BELL INC | Yes |
| 414-423 | WISCONSIN BELL INC | No |
| 414-425 | WISCONSIN BELL INC | No |
| 414-427 | WISCONSIN BELL INC | No |
| 414-433 | PAETEC ITEL, LLC | Yes |
| 414-441 | ONVOY, LLC - WI | Yes |
| 414-448 | PAETEC ITEL, LLC | Yes |
| 414-458 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | Yes |
| 414-500 | ONVOY SPECTRUM, LLC | Yes |
| 414-525 | WISCONSIN BELL INC | No |
| 414-529 | WISCONSIN BELL INC | No |
| 414-534 | NEW CINGULAR WIRELESS PCS, LLC - IL | No |
| 414-628 | T-MOBILE USA, INC. | No |
| 414-677 | ONVOY, LLC - WI | Yes |
| 414-855 | WISCONSIN BELL INC | Yes |
| 414-858 | TDS METROCOM, LLC | Yes |
| 414-895 | ONVOY, LLC - WI | Yes |
FAQ
What area code is Milwaukee Zone 3, WI?
Milwaukee Zone 3 numbers use area code 414.
How many prefixes does Milwaukee Zone 3 have?
31 active NXX prefixes are anchored to this rate center in NANPA records, held by 14 carriers.
Is a call from a Milwaukee Zone 3 prefix really from Milwaukee Zone 3?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.