Prefix 904-479 — Jacksonville, FL

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

Area code
904
Prefix (NXX)
479
Rate center
Jacksonville
State
Florida
Time zone
Eastern
Code holder
CENTURYLINK COMMUNICATIONS, LLC
OCN
508J
Pooled
Yes (thousands-block pooling)
Assigned
2014-02-26
LATA
452

The 904-479 prefix belongs to area code 904 and is anchored to the Jacksonville rate center (FL). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Jacksonville is part of the Jacksonville, FL Metropolitan Statistical Area. For routing purposes it sits in LATA 452. Numbers here keep Eastern time.

NANPA's central-office code records list CENTURYLINK COMMUNICATIONS, LLC (OCN 508J) as the code holder, assigned February 26, 2014. Because 904-479 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Caller ID showing 904-479 is not proof the call came from Jacksonville: 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

Prefixes adjacent to 904-479
PrefixRate centerCode holder
904-476 Jacksonville POWERTEL JACKSONVILLE LICENSES, INC.
904-477 Jacksonville CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL
904-478 Ponte Vedra Beach ONVOY, LLC - FL
904-480 Jacksonville POWERTEL JACKSONVILLE LICENSES, INC.
904-481 Saint Johns VONAGE AMERICA LLC
904-482 Jacksonville PAETEC ITEL, LLC

FAQ

Where is 904-479 located?

The prefix is assigned to the Jacksonville rate center in FL, area code 904. It is part of the Jacksonville, FL Metropolitan Statistical Area.

Which company owns 904-479 numbers?

CENTURYLINK COMMUNICATIONS, 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 904-479 safe to answer?

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