Prefix 414-398 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 398
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- ONVOY, LLC - WI
- OCN
- 225C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2024-05-31
- LATA
- 356
The 414-398 prefix belongs to area code 414 and is anchored to the Milwaukee Zone 1 rate center (WI). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
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.
The assigned code holder is ONVOY, LLC - WI, operating company number 225C, assigned May 31, 2024. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 414-398 is not proof the call came from Milwaukee Zone 1: 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 |
|---|---|---|
| 414-395 | Milwaukee Zone 1 | BANDWIDTH.COM CLEC, LLC - WI |
| 414-396 | Milwaukee Zone 1 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
| 414-397 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
| 414-399 | Milwaukee Zone 1 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
| 414-400 | Milwaukee Zone 1 | ONVOY, LLC - WI |
| 414-401 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 414-398 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 414-398 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 414-398 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.