Prefix 414-428 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 428
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- UNITED STATES CELLULAR - WI
- OCN
- 6274
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2025-03-07
- LATA
- 356
A phone number starting 414-428 was issued in the Milwaukee Zone 1 rate center of WI — part of area code 414.
The assigned code holder is UNITED STATES CELLULAR - WI, operating company number 6274, assigned March 7, 2025. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 414-428 without ever touching WI. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 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 |
| 414-429 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 414-430 | Milwaukee Zone 1 | UNITED STATES CELLULAR - WI |
| 414-431 | Milwaukee Zone 1 | PAETEC ITEL, LLC |
FAQ
Where is 414-428 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 414-428 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 414-428 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.