Prefix 414-377 — Milwaukee Zone 3, WI
- Area code
- 414
- Prefix (NXX)
- 377
- Rate center
- Milwaukee Zone 3
- State
- Wisconsin
- Time zone
- Central
- Code holder
- LEVEL 3 COMMUNICATIONS, LLC - WI
- OCN
- 5489
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2002-12-16
- LATA
- 356
Numbers in the 414-377 prefix are registered to the Milwaukee Zone 3 rate center in WI, inside area code 414. The prefix is the second block of a ten-digit US number (414-377-XXXX) and pins the number to a billing locality.
Code-holder of record: LEVEL 3 COMMUNICATIONS, LLC - WI (OCN 5489), assigned December 16, 2002. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-377 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 3 caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 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 |
| 414-378 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 414-379 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 414-380 | Milwaukee Zone 1 | UNITED STATES CELLULAR - WI |
FAQ
Where is 414-377 located?
The prefix is assigned to the Milwaukee Zone 3 rate center in WI, area code 414. It is part of the (Milwaukee-Waukesha, WI Metropolitan Statistical Area).
Which company owns 414-377 numbers?
LEVEL 3 COMMUNICATIONS, 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 414-377 safe to answer?
The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 3 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.