513 Area Code — Cincinnati, OH
Area code 513 serves Cincinnati and 3 other cities in Ohio. Local time follows America/New_York. It has no overlay codes.
- State
- Ohio
- Primary city
- Cincinnati
- Timezone
- America/New_York
- In service since
- 1947
- Type
- Geographic
- Overlay codes
- None
Cities Served by 513
The 513 area code covers 4 cities and communities in Ohio.
- Cincinnati
- Hamilton
- Mason
- Norwood
About Area Code 513
Area code 513 is a North American Numbering Plan (NANP) area code that has been in service since 1947. It is administered by NANPA on behalf of the FCC and serves the Ohio region anchored on Cincinnati.
513 is currently a single-coverage geographic area code with no overlays. This means a 7-digit number in this area code is unique within its rate centers, though best-practice is always to dial the full 10-digit number when contacting a 513 line.
Mobile numbers in 513 are portable: a person who moved away from Cincinnati may still carry a 513 mobile number on their device. If you receive an unexpected call from a 513 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Ohio, you may also interact with neighbouring or overlay codes. See the related codes section below to explore the rest of Ohio.
Other Ohio Area Codes
Continue exploring the Ohio numbering plan.
513 Area Code FAQ
Where is area code 513?
Area code 513 is located in Ohio, primarily serving Cincinnati and surrounding cities including Hamilton, Mason, Norwood. The region operates on ET (America/New_York) time.
What state is 513 area code?
513 is a Ohio area code. It was put into service in 1947 and has no overlay codes — it covers its geographic area exclusively.
Is 513 a scam area code?
513 is a legitimate North American area code allocated by NANPA to Ohio. Like any geographic area code, scammers sometimes spoof 513 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 513 use?
Area code 513 operates on ET (America/New_York). Numbers in this area code follow standard Ohio time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 513 phone number?
Yes. Use the reverse lookup widget above to enter a full 513 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.