Prefix 414-399 — Milwaukee Zone 1, WI
- Area code
- 414
- Prefix (NXX)
- 399
- Rate center
- Milwaukee Zone 1
- State
- Wisconsin
- Time zone
- Central
- Code holder
- CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI
- OCN
- 6508
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2010-10-18
- LATA
- 356
Numbers in the 414-399 prefix are registered to the Milwaukee Zone 1 rate center in WI, inside area code 414. The prefix is the second block of a ten-digit US number (414-399-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI (OCN 6508) as the code holder, assigned October 18, 2010. Because 414-399 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Milwaukee-Waukesha, WI Metropolitan Statistical Area. The serving LATA is 356. Local time follows the Central zone.
Spoofing means this prefix on your screen doesn't guarantee a Milwaukee Zone 1 caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 414-396 | Milwaukee Zone 1 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
| 414-397 | Milwaukee Zone 1 | T-MOBILE USA, INC. |
| 414-398 | Milwaukee Zone 1 | ONVOY, LLC - WI |
| 414-400 | Milwaukee Zone 1 | ONVOY, LLC - WI |
| 414-401 | Milwaukee Zone 1 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 414-402 | Milwaukee Zone 1 | SPOK, INC. |
FAQ
Where is 414-399 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 414-399 numbers?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 414-399 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.