Prefix 305-399 — Keys, FL
A phone number starting 305-399 was issued in the Keys rate center of FL — part of area code 305.
NANPA's central-office code records list OMNIPOINT MIAMI E LICENSE, LLC (OCN 6889) as the code holder, assigned December 9, 2014. Because 305-399 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 305-399 without ever touching FL. 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.
Keys is part of the Miami-Fort Lauderdale-Pompano-West Palm Beach, FL Metropolitan Statistical Area. For routing purposes it sits in LATA 460. Numbers here keep Eastern time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 305-396 | Keys | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL |
| 305-397 | Miami | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL |
| 305-398 | Miami | PAETEC ITEL, LLC |
| 305-400 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-401 | Miami | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL |
| 305-402 | North Dade | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL |
FAQ
Where is 305-399 located?
The prefix is assigned to the Keys rate center in FL, area code 305. It is part of the Miami-Fort Lauderdale-Pompano-West Palm Beach, FL Metropolitan Statistical Area.
Which company owns 305-399 numbers?
OMNIPOINT MIAMI E LICENSE, LLC 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 305-399 safe to answer?
The prefix itself says nothing about the caller. Legitimate Keys businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.