813
Area code
FL
United States geographic area code, in service since 1953-01-01. Part of the 813/656 overlay complex — ten-digit dialing required.
Statusin service
Introduced1953-01-01
JurisdictionFL, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 101% of assignable prefixes assigned
As of 09/17/2026
0%800 of ~792 assignable NXX values (200–999 excl. N11)100%
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-16, most recent 2023-12-07.
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 | FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA | 233 | 29.1% |
| 02 | AERIAL COMMUNICATIONS, INC. | 96 | 12% |
| 03 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 73 | 9.1% |
| 04 | METROPCS, INC. | 53 | 6.6% |
| 05 | NEW CINGULAR WIRELESS PCS, LLC - GA | 47 | 5.9% |
| 06 | PAETEC ITEL, LLC | 35 | 4.4% |
| 07 | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 35 | 4.4% |
| 08 | BANDWIDTH.COM CLEC, LLC - FL | 28 | 3.5% |
| 09 | ONVOY, LLC - FL | 24 | 3% |
| 10 | LEVEL 3 TELECOM OF FLORIDA, LP - FL | 19 | 2.4% |
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- 2020-06-08 NPA 656 to Overlay NPA 813 (Florida)
- 1997-09-02 Declaration of Jeopardy Situation in NPA 813 (Florida) jeopardy
- 1953-01-01Area code 813 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2020-12-04 | PL-552 ↗ | NPA 656 to Overlay 813 (Florida) supersedes PL541 |
| 2020-06-08 | PL-541 ↗ | NPA 656 to Overlay NPA 813 (Florida) |