Prefix 414-373 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 373
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- MCIMETRO ACCESS TRANSMISSION SERVICES LLC
- OCN
- 7229
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2022-07-13
- LATA
- 356
Numbers in the 414-373 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 (414-373-XXXX) and pins the number to a billing locality.
The assigned code holder is MCIMETRO ACCESS TRANSMISSION SERVICES LLC, operating company number 7229, assigned July 13, 2022. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
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 |
|---|---|---|
| 414-370 | Milwaukee Zone 1 | COMMIO, LLC |
| 414-371 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-372 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-374 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-375 | Milwaukee Zone 4 | LEVEL 3 COMMUNICATIONS, LLC - WI |
| 414-376 | Milwaukee Zone 5 | LEVEL 3 COMMUNICATIONS, LLC - WI |
FAQ
Where is 414-373 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 414-373 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 414-373 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.