Prefix 414-246 — Milwaukee Zone 3, WI

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

Area code
414
Prefix (NXX)
246
Rate center
Milwaukee Zone 3
State
Wisconsin
Time zone
Central
Code holder
ONVOY, LLC - WI
OCN
225C
Pooled
Yes (thousands-block pooling)
Assigned
2015-12-24
LATA
356

The 414-246 prefix belongs to area code 414 and is anchored to the Milwaukee Zone 3 rate center (WI). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

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.

The assigned code holder is ONVOY, LLC - WI, operating company number 225C, assigned December 24, 2015. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Caller ID showing 414-246 is not proof the call came from Milwaukee Zone 3: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.

Neighboring prefixes

Prefixes adjacent to 414-246
PrefixRate centerCode holder
414-243 Milwaukee Zone 1 T-MOBILE USA, INC.
414-244 Milwaukee Zone 1 WISCONSIN BELL INC
414-245 Milwaukee Zone 1 WISCONSIN BELL INC
414-247 Milwaukee Zone 4 WISCONSIN BELL INC
414-248 Milwaukee Zone 1 NEW CINGULAR WIRELESS PCS, LLC - IL
414-249 Milwaukee Zone 1 T-MOBILE USA, INC.

FAQ

Where is 414-246 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 414-246 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 414-246 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.