Phone number reference · United States
513 area code
Cincinnati and surrounding southwestern Ohio communities.
513 serves Cincinnati and nearby southwestern Ohio communities, with 283 as its overlay. The Cincinnati metropolitan area also extends into Kentucky and Indiana, which have separate area codes. Cross-state service requests therefore need a full address rather than just a Cincinnati-area label.
Southwestern Ohio
Geographic code · In service
513 at a glance
- Region
- Southwestern Ohio
- Time zone
- Eastern Time
- In service since
- 01-Jan-1947
- Overlay arrangement
- 283/513
Numbering details checked September 21, 2026 against the NANPA database. See the official area-code maps for boundaries.
Questions about 513
Does 513 include northern Kentucky?
513 is an Ohio code. Northern Kentucky uses a different numbering region even though it is part of the wider Cincinnati metropolitan area.
Is a 513 call safe to answer?
The 513 prefix identifies a numbering region, not a caller's identity or trustworthiness. Verify an unexpected request by contacting the organization through a number you already know.
Can I get a 513 business number?
Search the available numbers in VeraDial. Inventory changes, so a 513 number is not guaranteed. You can also keep your current carrier number and forward voice calls to a VeraDial line; existing texts stay with your carrier.
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