Prefix 414-417 — Milwaukee Zone 3, WI

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

Area code
414
Prefix (NXX)
417
Rate center
Milwaukee Zone 3
State
Wisconsin
Time zone
Central
Code holder
BANDWIDTH.COM CLEC, LLC - WI
OCN
007F
Pooled
Yes (thousands-block pooling)
Assigned
2024-09-25
LATA
356

The 414-417 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.

NANPA's central-office code records list BANDWIDTH.COM CLEC, LLC - WI (OCN 007F) as the code holder, assigned September 25, 2024. Because 414-417 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 414-417 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 414-417
PrefixRate centerCode holder
414-414 Milwaukee Zone 3 ONVOY, LLC - WI
414-415 Milwaukee Zone 3 ONVOY SPECTRUM, LLC
414-416 Milwaukee Zone 1 UNITED STATES CELLULAR - WI
414-418 Milwaukee Zone 1 NEW CINGULAR WIRELESS PCS, LLC - IL
414-419 Milwaukee Zone 1 UNITED STATES CELLULAR - WI
414-420 Milwaukee Zone 4 ONVOY, LLC - WI

FAQ

Where is 414-417 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 414-417 numbers?

BANDWIDTH.COM CLEC, 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 414-417 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.