Prefix 414-348 — Milwaukee Zone 4, WI

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

Area code
414
Prefix (NXX)
348
Rate center
Milwaukee Zone 4
State
Wisconsin
Time zone
Central
Code holder
FRACTEL, LLC
OCN
965H
Pooled
Yes (thousands-block pooling)
Assigned
2020-03-02
LATA
356

414-348 identifies a block of numbers in Milwaukee Zone 4, WI, within the 414 area code. Every US prefix is tied to exactly one rate center; this one is Milwaukee Zone 4.

The rate center lies in the Milwaukee-Waukesha, WI Metropolitan Statistical Area. The serving LATA is 356. Local time follows the Central zone.

Treat the on-screen number as a hint, not evidence — 414-348 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

The assigned code holder is FRACTEL, LLC, operating company number 965H, assigned March 2, 2020. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

Prefixes adjacent to 414-348
PrefixRate centerCode holder
414-345 Milwaukee Zone 1 WISCONSIN BELL INC
414-346 Milwaukee Zone 5 ONVOY, LLC - WI
414-347 Milwaukee Zone 1 WISCONSIN BELL INC
414-349 Milwaukee Zone 1 T-MOBILE USA, INC.
414-350 Milwaukee Zone 1 T-MOBILE USA, INC.
414-351 Milwaukee Zone 4 WISCONSIN BELL INC

FAQ

Where is 414-348 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 414-348 numbers?

FRACTEL, 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 414-348 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.