Ohio · Eastern Time
513 Area Code
The 513 area code is a telephone area code in Ohio, covering Cincinnati and the surrounding area. It lies in the Eastern Time zone.
Last updated June 5, 2026
Where is the 513 area code?
513 serves Cincinnati and nearby communities in Ohio. In the wider directory it sits in the Midwest region.
Dialing 513
Cincinnati is currently served by the single area code 513. Ten-digit dialing (area code + seven-digit number) always works and is increasingly the norm nationwide; some local calls may still connect with seven digits. If a future overlay is added, 10-digit dialing would become mandatory.
History of the 513 area code
513 is one of the original area codes assigned in 1947, when AT&T and Bell Laboratories created the North American Numbering Plan and divided the country into the first 86 numbering plan areas. It has served the Cincinnati area ever since.
Is 513 a scam or spam risk?
513 is a legitimate geographic area code, not a premium or toll line, so a call from it costs you nothing extra. That said, scammers frequently spoof real local area codes to look familiar on caller ID. A genuine 513 number on your screen is no guarantee the caller is local or trustworthy. See spam & scam-risk area codes for how spoofing works and how to respond.
Other Ohio area codes
Explore more
See every code in Ohio, compare codes across the Midwest region, or view all Eastern Time codes. You can also browse the 5XX block or the complete numeric list of US area codes.
New to how this all works? Start with how area codes work, then read up on overlays, 10-digit dialing, and spam & scam-risk codes. To check another number, use the area code lookup tool.
Quick answers
513 area code FAQ
Where is the 513 area code?
The 513 area code is in Ohio, serving Cincinnati and the surrounding area in the Midwest region.
What time zone is 513 in?
513 is in the Eastern Time zone.
Do I have to dial 10 digits for 513?
Ten-digit dialing always works, and many areas now require it; some local calls in this area may still connect with seven digits.
Is 513 a toll-free or premium code?
No. 513 is a standard geographic area code, so calling it costs the same as any local or long-distance call on your plan. Toll-free calls use 800, 888, 877, 866, 855, 844 or 833.