Prefix 414-252 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 252
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- AT&T ENTERPRISES, LLC
- OCN
- 516C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2016-08-12
- LATA
- 356
414-252 identifies a block of numbers in Milwaukee Zone 1, WI, within the 414 area code. Every US prefix is tied to exactly one rate center; this one is Milwaukee Zone 1.
The rate center lies in the Milwaukee-Waukesha, WI Metropolitan Statistical Area. The serving LATA is 356. Local time follows the Central zone.
Treat the on-screen number as a hint, not evidence — 414-252 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
NANPA's central-office code records list AT&T ENTERPRISES, LLC (OCN 516C) as the code holder, assigned August 12, 2016. Because 414-252 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-249 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
| 414-250 | Milwaukee Zone 1 | TELEPORT COMMUNICATIONS AMERICA, LLC WI |
| 414-251 | Milwaukee Zone 1 | TELEPORT COMMUNICATIONS AMERICA, LLC WI |
| 414-253 | Milwaukee Zone 1 | BANDWIDTH.COM CLEC, LLC - WI |
| 414-254 | Milwaukee Zone 1 | UNITED STATES CELLULAR - WI |
| 414-255 | Milwaukee Zone 1 | PAETEC ITEL, LLC |
FAQ
Where is 414-252 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 414-252 numbers?
AT&T ENTERPRISES, 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 414-252 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.