Prefix 414-424 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 424
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- ONVOY, LLC - WI
- OCN
- 225C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2022-11-15
- LATA
- 356
The 414-424 prefix belongs to area code 414 and is anchored to the Milwaukee Zone 1 rate center (WI). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Milwaukee Zone 1 is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area. For routing purposes it sits in LATA 356. Numbers here keep Central time.
Code-holder of record: ONVOY, LLC - WI (OCN 225C), assigned November 15, 2022. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-424 numbers may be served by different companies.
Caller ID showing 414-424 is not proof the call came from Milwaukee Zone 1: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-421 | Milwaukee Zone 3 | WISCONSIN BELL INC |
| 414-422 | Milwaukee Zone 3 | WISCONSIN BELL INC |
| 414-423 | Milwaukee Zone 3 | WISCONSIN BELL INC |
| 414-425 | Milwaukee Zone 3 | WISCONSIN BELL INC |
| 414-426 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 414-427 | Milwaukee Zone 3 | WISCONSIN BELL INC |
FAQ
Where is 414-424 located?
The prefix is assigned to the Milwaukee Zone 1 rate center in WI, area code 414. It is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area.
Which company owns 414-424 numbers?
ONVOY, LLC - WI holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 414-424 safe to answer?
The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.