Prefix 414-363 — Milwaukee Zone 3, WI

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

Area code
414
Prefix (NXX)
363
Rate center
Milwaukee Zone 3
State
Wisconsin
Time zone
Central
Code holder
ONVOY, LLC - WI
OCN
225C
Pooled
Yes (thousands-block pooling)
Assigned
2021-12-15
LATA
356

A phone number starting 414-363 was issued in the Milwaukee Zone 3 rate center of WI — part of area code 414.

NANPA's central-office code records list ONVOY, LLC - WI (OCN 225C) as the code holder, assigned December 15, 2021. Because 414-363 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 414-363 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 3 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 414-363
PrefixRate centerCode holder
414-360 Milwaukee Zone 5 ONVOY SPECTRUM, LLC
414-361 Milwaukee Zone 1 ONVOY, LLC - WI
414-362 Milwaukee Zone 4 WISCONSIN BELL INC
414-364 Milwaukee Zone 4 T-MOBILE USA, INC.
414-365 Milwaukee Zone 4 WISCONSIN BELL INC
414-366 Milwaukee Zone 1 T-MOBILE USA, INC.

FAQ

Where is 414-363 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 414-363 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 414-363 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.