Prefix 414-452 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 452
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- UNITED STATES CELLULAR - WI
- OCN
- 6274
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2025-03-05
- LATA
- 356
Numbers in the 414-452 prefix are registered to the Milwaukee Zone 1 rate center in WI, inside area code 414. The prefix is the second block of a ten-digit US number (414-452-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list UNITED STATES CELLULAR - WI (OCN 6274) as the code holder, assigned March 5, 2025. Because 414-452 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Milwaukee-Waukesha, WI Metropolitan Statistical Area. The serving LATA is 356. Local time follows the Central zone.
Spoofing means this prefix on your screen doesn't guarantee a Milwaukee Zone 1 caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-449 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-450 | Milwaukee Zone 4 | EON TELECOM, INC. |
| 414-451 | Milwaukee Zone 1 | ONVOY SPECTRUM, LLC |
| 414-453 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-454 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-455 | Milwaukee Zone 1 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
FAQ
Where is 414-452 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 414-452 numbers?
UNITED STATES CELLULAR - 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 414-452 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.