Area code 513 – Ohio
513 is one of the original area codes, in service across Ohio since 1947. All but a handful of its 786 number blocks are allocated (784 of 786), so it is effectively exhausted. No carrier dominates: Altafiber 33.4%, Verizon 17.7%, AT&T 10.2%. It shares its geography with overlay codes 283, so local calls take all ten digits. 847 FTC complaints named a 513 caller ID in the 33 days to 30 October 2026, putting it 82nd of 422 codes with five or more complaints.
Who holds 513 number blocks
Share of the 784 assigned NXX blocks (99.7% of the 786 possible), across 44 carriers. This is share of number blocks, not of subscribers.
- Altafiber33.2%
- Verizon17.7%
- T-Mobile11.1%
- AT&T10.2%
- Lumen7.3%
- Onvoy4.6%
- Other CLEC / VoIP3.2%
- Bandwidth2.4%
- Spok2.2%
- Windstream2%
- Brightspeed1.7%
- Charter1.3%
- American Messaging0.9%
- Frontier0.8%
- Peerless0.6%
- Telnyx0.4%
- TPx0.1%
- Vonage0.1%
- Twilio0.1%
- Dish0.1%
Spam complaints naming 513
FTC Do Not Call complaints where the caller ID was a 513 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 513
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 25.
Timeline
- 1947 513 assigned in the original North American Numbering Plan.
More about 513
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 513
What state is area code 513?
Ohio. It covers the same area as 283/513.
Can I still get a 513 number?
Only from recycled stock. 784 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (283/513).
Is a call from 513 a scam?
Not by itself. 513 drew 847 FTC complaints in the 33 days to 30 October 2026, 82nd of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 513 numbers?
Altafiber holds the largest share of assigned number blocks at 33.4%. 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 513?
Yes – ten digits for local calls in 513, 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.