813 area code — Tampa Central, FL geographic
813 is the area code for Tampa Central, Florida, in service since January 1, 1953, Eastern time. It is part of the 656/813 overlay complex — these codes share the same territory. Note that porting and VoIP mean a 813 number can be used from anywhere — the code marks where the number was assigned.
783 central-office prefixes are currently active in this code, spread across 45 code-holding carriers. Thousands-block pooling applies to 515 prefixes, so a single prefix can belong to several carriers. Its prefixes map to 8 distinct rate centers.
To check where a specific 813 number was issued, look up its six-digit prefix; to check who is actually calling, ignore the display and verify through an official callback number — caller ID is assertable and routinely spoofed.
Dialing: 10D locally, 10D to other codes (1+10 digit permissible at each service provider's discretion).
NANPA projects numbering capacity for the 656/813 complex to exhaust in 1Q 2055.
It has since spawned 941 (1995), 727 (1998), 656 (2022).
Largest localities in 813
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Tampa Central | 353 | 656 |
| Tampa | 168 | — |
| Tampa East | 52 | 656 |
| Tampa North | 52 | 656 |
| Plant City | 44 | 656 |
| Tampa West | 44 | 656 |
| Zephyrhills | 37 | 656 |
| Tampa South | 33 | 656 |
FAQ
Will 813 run out of numbers?
NANPA's current forecast projects exhaust in 1Q 2055 — decades of capacity remain.
Why am I getting spam calls from 813 numbers?
Scammers spoof recognizable area codes so calls look local or familiar. A displayed 813 number does not prove the call originated there — see our guide to spotting spoofed calls.
Where is a 813 number from?
813 is assigned to Tampa Central and surrounding areas of Florida in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.
Is 813 a toll-free number?
No. 813 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.
Why do 656 and 813 cover the same place?
They are overlays: when a code runs low on numbers, a new code is added over the same territory instead of splitting it. The 656/813 complex shares one service area, and local calls are dialed with 10 digits.