Prefix 414-356 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 356
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- ONVOY, LLC - WI
- OCN
- 225C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2023-12-11
- LATA
- 356
A phone number starting 414-356 was issued in the Milwaukee Zone 1 rate center of WI — part of area code 414.
NANPA's central-office code records list ONVOY, LLC - WI (OCN 225C) as the code holder, assigned December 11, 2023. Because 414-356 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 414-356 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
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-353 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-354 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-355 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-357 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-358 | Milwaukee Zone 4 | WISCONSIN BELL INC |
| 414-359 | Milwaukee Zone 4 | WISCONSIN BELL INC |
FAQ
Where is 414-356 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 414-356 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 414-356 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.