Prefix 414-392 — Milwaukee Zone 4, WI

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

Area code
414
Prefix (NXX)
392
Rate center
Milwaukee Zone 4
State
Wisconsin
Time zone
Central
Code holder
ONVOY, LLC - WI
OCN
225C
Pooled
Yes (thousands-block pooling)
Assigned
2024-04-10
LATA
356

A phone number starting 414-392 was issued in the Milwaukee Zone 4 rate center of WI — part of area code 414.

Code-holder of record: ONVOY, LLC - WI (OCN 225C), assigned April 10, 2024. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-392 numbers may be served by different companies.

A scammer can display 414-392 without ever touching WI. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

Milwaukee Zone 4 is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area. For routing purposes it sits in LATA 356. Numbers here keep Central time.

Neighboring prefixes

Prefixes adjacent to 414-392
PrefixRate centerCode holder
414-389 Milwaukee Zone 1 WISCONSIN BELL INC
414-390 Milwaukee Zone 1 WISCONSIN BELL INC
414-391 Milwaukee Zone 1 T-MOBILE USA, INC.
414-393 Milwaukee Zone 1 WISCONSIN BELL INC
414-394 Milwaukee Zone 1 T-MOBILE USA, INC.
414-395 Milwaukee Zone 1 BANDWIDTH.COM CLEC, LLC - WI

FAQ

Where is 414-392 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 414-392 numbers?

ONVOY, 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 414-392 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.