Prefix 305-489 — Keys, FL
The 305-489 prefix belongs to area code 305 and is anchored to the Keys rate center (FL). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
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.
Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL (OCN 8664), assigned September 5, 2003. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 305-489 numbers may be served by different companies.
Caller ID showing 305-489 is not proof the call came from Keys: 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 |
|---|---|---|
| 305-486 | Miami | ABC PAGING CITY BEEPERS, INC. |
| 305-487 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-488 | North Dade | ONVOY, LLC - FL |
| 305-490 | Miami | OMNIPOINT MIAMI E LICENSE, LLC |
| 305-491 | Miami | OMNIPOINT MIAMI E LICENSE, LLC |
| 305-492 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
FAQ
Where is 305-489 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 305-489 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES 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 305-489 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.