Prefix 414-255 — Milwaukee Zone 1, WI

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

Area code
414
Prefix (NXX)
255
Rate center
Milwaukee Zone 1
State
Wisconsin
Time zone
Central
Code holder
PAETEC ITEL, LLC
OCN
829J
Pooled
Yes (thousands-block pooling)
Assigned
2008-06-23
LATA
356

A phone number starting 414-255 was issued in the Milwaukee Zone 1 rate center of WI — part of area code 414.

Code-holder of record: PAETEC ITEL, LLC (OCN 829J), assigned June 23, 2008. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 414-255 numbers may be served by different companies.

A scammer can display 414-255 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 1 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 414-255
PrefixRate centerCode holder
414-252 Milwaukee Zone 1 AT&T ENTERPRISES, LLC
414-253 Milwaukee Zone 1 BANDWIDTH.COM CLEC, LLC - WI
414-254 Milwaukee Zone 1 UNITED STATES CELLULAR - WI
414-256 Milwaukee Zone 1 WISCONSIN BELL INC
414-257 Milwaukee Zone 1 WISCONSIN BELL INC
414-258 Milwaukee Zone 1 WISCONSIN BELL INC

FAQ

Where is 414-255 located?

The prefix is assigned to the Milwaukee Zone 1 rate center in WI, area code 414. It is part of the Milwaukee-Waukesha, WI Metropolitan Statistical Area.

Which company owns 414-255 numbers?

PAETEC ITEL, 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 414-255 safe to answer?

The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.