Prefix 305-340 — Keys, FL
The 305-340 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.
NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL (OCN 6502) as the code holder, assigned May 13, 2011. Because 305-340 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 305-340 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 |
|---|---|---|
| 305-337 | Keys | METROPCS, INC. |
| 305-338 | Perrine | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 305-339 | Keys | OMNIPOINT MIAMI E LICENSE, LLC |
| 305-341 | Miami | TELEPORT COMMUNICATIONS AMERICA, LLC - FL |
| 305-342 | Miami | NEW CINGULAR WIRELESS PCS, LLC - GA |
| 305-343 | North Dade | NEW CINGULAR WIRELESS PCS, LLC - GA |
FAQ
Where is 305-340 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 305-340 numbers?
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 305-340 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.