Prefix 414-437 — Milwaukee Zone 5, WI
- Area code
- 414
- Prefix (NXX)
- 437
- Rate center
- Milwaukee Zone 5
- State
- Wisconsin
- Time zone
- Central
- Code holder
- EON TELECOM, INC.
- OCN
- 839J
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2024-10-08
- LATA
- 356
The 414-437 prefix belongs to area code 414 and is anchored to the Milwaukee Zone 5 rate center (WI). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Milwaukee Zone 5 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 EON TELECOM, INC. (OCN 839J) as the code holder, assigned October 8, 2024. Because 414-437 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 414-437 is not proof the call came from Milwaukee Zone 5: 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
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-434 | Milwaukee Zone 4 | PAETEC ITEL, LLC |
| 414-435 | Milwaukee Zone 5 | PAETEC ITEL, LLC |
| 414-436 | Milwaukee Zone 1 | ONVOY, LLC - WI |
| 414-438 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-439 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
| 414-440 | Milwaukee Zone 1 | AMERICAN MESSAGING SERVICES, LLC |
FAQ
Where is 414-437 located?
The prefix is assigned to the Milwaukee Zone 5 rate center in WI, area code 414. It is part of the (Milwaukee-Waukesha, WI Metropolitan Statistical Area).
Which company owns 414-437 numbers?
EON TELECOM, INC. 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 414-437 safe to answer?
The prefix itself says nothing about the caller. Legitimate Milwaukee Zone 5 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.