Prefix 414-368 — Milwaukee Zone 4, WI

NANPA CO code assignment, current as of July 28, 2026.

Area code
414
Prefix (NXX)
368
Rate center
Milwaukee Zone 4
State
Wisconsin
Time zone
Central
Code holder
LEVEL 3 TELECOM OF WISCONSIN, LP - WI
OCN
7322
Pooled
Yes (thousands-block pooling)
Assigned
2002-11-18
LATA
356

Numbers in the 414-368 prefix are registered to the Milwaukee Zone 4 rate center in WI, inside area code 414. The prefix is the second block of a ten-digit US number (414-368-XXXX) and pins the number to a billing locality.

Code-holder of record: LEVEL 3 TELECOM OF WISCONSIN, LP - WI (OCN 7322), assigned November 18, 2002. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-368 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 4 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 414-368
PrefixRate centerCode holder
414-365 Milwaukee Zone 4 WISCONSIN BELL INC
414-366 Milwaukee Zone 1 T-MOBILE USA, INC.
414-367 Milwaukee Zone 3 LEVEL 3 TELECOM OF WISCONSIN, LP - WI
414-369 Milwaukee Zone 5 LEVEL 3 TELECOM OF WISCONSIN, LP - WI
414-370 Milwaukee Zone 1 COMMIO, LLC
414-371 Milwaukee Zone 4 WISCONSIN BELL INC

FAQ

Where is 414-368 located?

The prefix is assigned to the Milwaukee Zone 4 rate center in WI, area code 414. It is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area.

Which company owns 414-368 numbers?

LEVEL 3 TELECOM OF WISCONSIN, LP - 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 414-368 safe to answer?

The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 4 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.