Area code 813 – Florida
813 has served Florida since 1953. All but a handful of its 786 number blocks are allocated (782 of 786), so it is effectively exhausted. No carrier dominates: Frontier 29.8%, Other CLEC / VoIP 29.4%, Verizon 9.5%. It shares its geography with overlay codes 656, so local calls take all ten digits. It is also among the most imitated codes in spam calls: 1,926 FTC complaints named a 813 caller ID in the 33 days to 30 October 2026, ranking 3rd of 422 ranked codes. The dominant complaint type is “Calls pretending to be government, businesses, or family and friends”.
Who holds 813 number blocks
Share of the 782 assigned NXX blocks (99.5% of the 786 possible), across 45 carriers. This is share of number blocks, not of subscribers.
- Frontier29.8%
- T-Mobile19.1%
- Other CLEC / VoIP12.1%
- Verizon9.5%
- AT&T8.7%
- Lumen5%
- Windstream4.5%
- Bandwidth3.6%
- Onvoy3.1%
- Spok1%
- Charter1%
- Peerless0.8%
- Vonage0.6%
- American Messaging0.5%
- Telnyx0.5%
- VoIP Innovations0.1%
- Twilio0.1%
Spam complaints naming 813
FTC Do Not Call complaints where the caller ID was a 813 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 813
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 8.
Timeline
- 1953 813 goes into service in Florida.
More about 813
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 813
What state is area code 813?
Florida. It covers the same area as 813/656.
Can I still get a 813 number?
Only from recycled stock. 782 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (813/656).
Is a call from 813 a scam?
813 is one of the most complained-about codes in the country – 1,926 FTC complaints in the 33 days to 30 October 2026, 3rd of 422 ranked codes. Most of those calls are spoofed: the caller fakes a local-looking number because it gets answered more often. Look up the specific number rather than judging by the code. The most reported category here is “Calls pretending to be government, businesses, or family and friends”.
Which carrier owns 813 numbers?
Frontier holds the largest share of assigned number blocks at 29.8%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 813?
Yes – ten digits for local calls in 813, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.