Prefix 305-391 — Keys, FL
A phone number starting 305-391 was issued in the Keys rate center of FL — part of area code 305.
The assigned code holder is ONVOY, LLC - FL, operating company number 937C, assigned September 16, 2021. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 305-391 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 |
|---|---|---|
| 305-388 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-389 | Miami | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL |
| 305-390 | Keys | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL |
| 305-392 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-393 | Keys | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 305-394 | Keys | NEW CINGULAR WIRELESS PCS, LLC - GA |
FAQ
Where is 305-391 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 305-391 numbers?
ONVOY, LLC - FL 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 305-391 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.