Prefix 305-440 — Keys, FL
Numbers in the 305-440 prefix are registered to the Keys rate center in FL, inside area code 305. The prefix is the second block of a ten-digit US number (305-440-XXXX) and pins the number to a billing locality.
Code-holder of record: COMCAST IP PHONE, LLC (OCN 318J), assigned December 19, 2012. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 305-440 numbers may be served by different companies.
The rate center lies in the Miami-Fort Lauderdale-Pompano-West Palm Beach, FL Metropolitan Statistical Area. The serving LATA is 460. Local time follows the Eastern zone.
Spoofing means this prefix on your screen doesn't guarantee a Keys caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 305-437 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-438 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-439 | Miami | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 305-441 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-442 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 305-443 | Miami | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
FAQ
Where is 305-440 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 305-440 numbers?
COMCAST IP PHONE, 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 305-440 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.