Prefix 305-320 — Keys, FL

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

Area code
305
Prefix (NXX)
320
Rate center
Keys
State
Florida
Time zone
Eastern
Code holder
PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - FL
OCN
971D
Pooled
Yes (thousands-block pooling)
Assigned
2007-03-21
LATA
460

A phone number starting 305-320 was issued in the Keys rate center of FL — part of area code 305.

NANPA's central-office code records list PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - FL (OCN 971D) as the code holder, assigned March 21, 2007. Because 305-320 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 305-320 without ever touching FL. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.

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.

Neighboring prefixes

Prefixes adjacent to 305-320
PrefixRate centerCode holder
305-317 Keys BANDWIDTH.COM CLEC, LLC - FL
305-318 North Dade NEW CINGULAR WIRELESS PCS, LLC - GA
305-319 North Dade NEW CINGULAR WIRELESS PCS, LLC - GA
305-321 Miami METROPCS, INC.
305-322 Miami NEW CINGULAR WIRELESS PCS, LLC - GA
305-323 Miami NEW CINGULAR WIRELESS PCS, LLC - GA

FAQ

Where is 305-320 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 305-320 numbers?

PROTECTION PLUS THE FL KEYS DBA ENGAGE COMM - 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 305-320 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.