Prefix 414-391 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 391
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-06-21
- LATA
- 356
Numbers in the 414-391 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 (414-391-XXXX) and pins the number to a billing locality.
Code-holder of record: T-MOBILE USA, INC. (OCN 6529), assigned June 21, 2011. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-391 numbers may be served by different companies.
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 |
|---|---|---|
| 414-388 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
| 414-389 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-390 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-392 | Milwaukee Zone 4 | ONVOY, LLC - WI |
| 414-393 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-394 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
FAQ
Where is 414-391 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 414-391 numbers?
T-MOBILE USA, INC. 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 414-391 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.