Prefix 305-840 — Miami, FL
Numbers in the 305-840 prefix are registered to the Miami rate center in FL, inside area code 305. The prefix is the second block of a ten-digit US number (305-840-XXXX) and pins the number to a billing locality.
Code-holder of record: LIVEWIRE TELECOM, LLC (OCN 693K), assigned October 15, 2024. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 305-840 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 Miami caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 305-837 | Miami | SPOK, INC. |
| 305-838 | Miami | SPOK, INC. |
| 305-839 | Miami | SPOK, INC. |
| 305-841 | Miami | SPOK, INC. |
| 305-842 | Keys | OMNIPOINT MIAMI E LICENSE, LLC |
| 305-843 | Miami | SPOK, INC. |
FAQ
Where is 305-840 located?
The prefix is assigned to the Miami 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 305-840 numbers?
LIVEWIRE TELECOM, 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 305-840 safe to answer?
The prefix itself says nothing about the caller. Legitimate Miami businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.