513 Area Code — OH
Area code 513 serves OH in the Eastern time zone, in service since 1947. The FCC has 150 unwanted-call complaints against 121 different 513 numbers on record. Look up the exact number that called you below.
Most-reported 513 numbers
Ranked by FCC unwanted-call complaints. Click a number for its full report.
- (513) 831-260012 complaints · 2026-03-18
- (513) 440-06687 complaints · 2025-08-21
- (513) 621-13846 complaints · 2025-09-29
- (513) 696-19203 complaints · 2026-07-05
- (513) 791-46282 complaints · 2026-03-05
- (513) 457-72342 complaints · 2026-02-18
- (513) 216-89222 complaints · 2026-02-17
- (513) 848-51292 complaints · 2025-12-05
- (513) 877-74132 complaints · 2025-09-16
513 unwanted-call complaints, last 12 months
Monthly FCC complaint volume against 513 numbers. Spikes usually mark an active robocall campaign cycling through the code.
Carriers operating in 513
Carriers assigned to 513 prefixes that visitors have looked up so far — resolved from official NPA-NXX assignment records.
- CINCINNATI BELLI · 2 prefixes
- ONVOY, LLC - OHC · 1 prefix
About area code 513
- Serves
- OH
- Time zone
- Eastern
- In service since
- 1947-01-01
- Overlay
- Yes — 10-digit dialing
Source: NANPA numbering records, refreshed weekly.
Spam calls from 513? What to know
Seeing repeated missed calls from 513 numbers you don't recognize is the classic signature of neighbor-spoofing robocall campaigns. The caller isn't necessarily in OH — spoofing software displays whatever digits the campaign chooses. Never call unknown numbers back; look them up first, and report unwanted calls to the FCC to build the public record.
Area code 513 FAQs
Where is area code 513?
Area code 513 serves OH, in the Eastern time zone. It is part of an overlay complex, so multiple area codes serve the same territory and 10-digit dialing is required. It has been in service since 1947.
Why do I keep getting calls from 513 numbers?
Robocallers use "neighbor spoofing" — displaying a number with a local area code to make you more likely to answer. A call showing area code 513 may not originate from OH at all. Look up the full 10-digit number on this site to see its complaint history before calling back.
Are 513 numbers safe to call back?
Area codes themselves are neither safe nor unsafe — 513 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 150 unwanted-call complaints against 121 distinct 513 numbers in our current data window. Check the specific number's report page before returning a missed call.