Prefix 305-574 — Perrine, FL

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

Area code
305
Prefix (NXX)
574
Rate center
Perrine
State
Florida
Time zone
Eastern
Code holder
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL
OCN
8664
Pooled
Yes (thousands-block pooling)
Assigned
2001-01-02
LATA
460

Numbers in the 305-574 prefix are registered to the Perrine rate center in FL, inside area code 305. The prefix is the second block of a ten-digit US number (305-574-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL (OCN 8664) as the code holder, assigned January 2, 2001. Because 305-574 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 Perrine caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 305-574
PrefixRate centerCode holder
305-571 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-572 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-573 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-575 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-576 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL
305-577 Miami BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL

FAQ

Where is 305-574 located?

The prefix is assigned to the Perrine 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 305-574 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 305-574 safe to answer?

The prefix itself says nothing about the caller. Legitimate Perrine businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.