Prefix 305-765 — Miami, FL

NANPA CO code assignment, current as of July 28, 2026.

Area code
305
Prefix (NXX)
765
Rate center
Miami
State
Florida
Time zone
Eastern
Code holder
ONVOY SPECTRUM, LLC
OCN
624H
Pooled
Yes (thousands-block pooling)
Assigned
2022-10-10
LATA
460

Numbers in the 305-765 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 (305-765-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list ONVOY SPECTRUM, LLC (OCN 624H) as the code holder, assigned October 10, 2022. Because 305-765 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

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

Prefixes adjacent to 305-765
PrefixRate centerCode holder
305-762 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-763 Miami CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
305-764 Miami OMNIPOINT MIAMI E LICENSE, LLC
305-766 Keys OMNIPOINT MIAMI E LICENSE, LLC
305-767 Keys LEVEL 3 COMMUNICATIONS, LLC - FL
305-768 Keys MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL

FAQ

Where is 305-765 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 305-765 numbers?

ONVOY SPECTRUM, 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 305-765 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.