513 Area CodeCincinnati, OH
Area code 513 covers Cincinnati and nearby communities in Ohio, in the Eastern Time (ET) zone, home to about 1.1 million people across 139 cities. It overlays 283, so the same region uses both and every local call needs all ten digits.
Where is area code 513?
Area code 513 serves part of Cincinnati, OH and the surrounding areas. It has a single overlay (283) that serves the same area.
Overview of the 513 Area Code
What is the 513 area code?
The 513 area code serves Cincinnati, Ohio, alongside other established area codes. When you see a 513 number, it indicates a local number within this geographic area.
Why was area code 513 created?
The 513 area code was introduced as an overlay to add numbers in Cincinnati once the existing area code 283 began to run out of available prefixes. It added a new supply of numbers without requiring current residents to change their existing digits.
Geographic Coverage of the 513 Area Code
The 513 area code serves Cincinnati and surrounding areas in Ohio. It operates within the Eastern Time (ET) time zone. It complements the coverage of area code 283. This area code covers several key cities, including:
- Cincinnati
- Hamilton
- Middletown
- Fairfield
- Mason
- Oxford
Got a call from a 513 number? It came from Cincinnati, OH. Since 513 overlays with 283, every local call in the region needs all ten digits to land on the right line. Inside 513, Cincinnati holds about 28% of the population; the rest is split across 138 smaller cities.
Cincinnati Area Codes Overview
Cincinnati is served by multiple area codes, reflecting its telecommunications needs. The 513 area code operates alongside 283. Here are the area codes serving this region:
The introduction of the 513 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.
What cities does area code 513 cover?
| City | State | Population | % of Area Code | % of City |
|---|---|---|---|---|
| Cincinnati | OH | 314,915 | 5% | 100% |
| Hamilton | OH | 63,953 | 1% | 100% |
| Middletown | OH | 52,291 | 1% | 94% |
| Fairfield | OH | 45,094 | 1% | 100% |
| Mason | OH | 36,046 | 1% | 100% |
| Oxford | OH | 22,585 | 0% | 100% |
| Lebanon | OH | 21,995 | 1% | 100% |
| Forest Park | OH | 20,033 | 0% | 100% |
| Norwood | OH | 19,455 | 0% | 100% |
| White Oak | OH | 19,167 | 0% | 100% |
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 513 been reported for unwanted calls?
Yes – 569 unwanted-call complaints were reported to the FTC for numbers showing a 513 area code (May 29 – Jul 2, 2026).
- 49% robocalls
- ↑ 9% vs prior period
Most-reported subjects
- Other53%304
- Dropped call or no message16%91
- Reducing your debt (credit cards, mortgage, student loans)6%34
* Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-07-05.
Which prefixes and exchanges belong to area code 513?
78% assigned to a telco
- 64% Landline
- 36% Wireless
- 0% Unknown
| Prefix | Usage | Carrier |
|---|---|---|
| (513)200- | Wireless | Sprint Spectrum |
| (513)201- | Landline | Windstream Nuvox Ohio |
| (513)202- | Landline | Cincinnati Bell |
| (513)203- | Wireless | Verizon Wireless |
| (513)204- | Landline | Cincinnati Bell Extended Territories |
| (513)205- | Wireless | Verizon Wireless |
| (513)206- | Landline | Cincinnati Bell |
| (513)207- | Wireless | Verizon Wireless |
| (513)208- | Wireless | T-Mobile Usa |
| (513)209- | Wireless | Usa Mobility Wireless |
Frequently Asked Questions about the 513 Area Code
Who called me from a 513 number?
A 513 number is assigned to Cincinnati, Ohio, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 513 code to look nearby, so a 513 number doesn't prove the caller is local. Recently, 569 unwanted-call complaints were reported to the FTC for numbers showing the 513 code (49% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 513 a scam area code?
No area code is a scam on its own. 513 is a normal, officially assigned code for Cincinnati, Ohio. Spam callers spoof local codes to raise the odds you answer, so 513 on your caller ID says nothing about who is really calling. Recently, 569 unwanted-call complaints were reported to the FTC for numbers showing the 513 code (49% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 513 area code?
Repeated calls from different 513 numbers are usually spoofing: a robocaller rotates through 513 numbers so each call looks local and slips past simple blocks. Recently, 569 unwanted-call complaints were reported to the FTC for numbers showing the 513 code (49% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 513 number?
If you aren't expecting a 513 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 513 area code?
Block a single 513 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 513 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 513?
Area code 513 covers Cincinnati and the surrounding area in Ohio, spanning 139 cities with about 1,136,305 residents. It shares its area with overlay code 283.
Is 513 a real area code?
Yes. 513 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Cincinnati, Ohio. A real code can still show up on spoofed spam calls, so treat unknown 513 calls with normal caution.
What timezone is the 513 area code in?
The 513 area code is in the Eastern Time (ET). Because a number can be kept when someone moves or switches to VoIP, a specific 513 caller may not be in that zone.
How do I call a 513 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 513 and the seven-digit number. From a mobile phone you can usually just enter +1 513 followed by the number and let the phone add the exit code for you.