Prefix 414-436 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 436
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- ONVOY, LLC - WI
- OCN
- 225C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2014-08-11
- LATA
- 356
414-436 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 — 414-436 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.
The assigned code holder is ONVOY, LLC - WI, operating company number 225C, assigned August 11, 2014. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-433 | Milwaukee Zone 3 | PAETEC ITEL, LLC |
| 414-434 | Milwaukee Zone 4 | PAETEC ITEL, LLC |
| 414-435 | Milwaukee Zone 5 | PAETEC ITEL, LLC |
| 414-437 | Milwaukee Zone 5 | EON TELECOM, INC. |
| 414-438 | Milwaukee Zone 1 | WISCONSIN BELL INC |
| 414-439 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
FAQ
Where is 414-436 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 414-436 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 414-436 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.