FL
United States geographic area code, in service since 1965-07-11. Part of the 324/904 overlay complex — ten-digit dialing required.
Created 352. Created 850. Created 386. Created 324. Overlaid with 324 .
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-04, most recent 2026-06-30.
Area codes serve rate-center geographies, not municipal boundaries. “FL” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 215 | 26.9% |
| 02 | POWERTEL JACKSONVILLE LICENSES, INC. | 88 | 11% |
| 03 | NEW CINGULAR WIRELESS PCS, LLC - GA | 72 | 9% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 53 | 6.6% |
| 05 | ONVOY, LLC - FL | 51 | 6.4% |
| 06 | PAETEC ITEL, LLC | 40 | 5% |
| 07 | METROPCS, INC. | 40 | 5% |
| 08 | LEVEL 3 COMMUNICATIONS, LLC - FL | 27 | 3.4% |
| 09 | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 25 | 3.1% |
| 10 | COMCAST IP PHONE, LLC | 22 | 2.8% |
Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.
Change history
Recorded events for this NPA- 2022-07-14 NPA 324 to Overlay NPA 904 (Florida)
- 1965-07-11Area code 904 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2022-07-14 | PL-598 ↗ | NPA 324 to Overlay NPA 904 (Florida) |
| 2000-12-29 | PL-252 ↗ | 904 NPA Split, Creating 386 NPA (Northeast Florida) |
| 1995-09-27 | IL-95-09-008 ↗ | NANP-SPLIT OF 904 (FLORIDA) NUMBERING PLAN AREA (NPA) |