Prefix 513-740 — Hamilton, OH
Numbers in the 513-740 prefix are registered to the Hamilton rate center in OH, inside area code 513. The prefix is the second block of a ten-digit US number (513-740-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list ONVOY, LLC - OH (OCN 464C) as the code holder, assigned September 9, 2022. Because 513-740 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Cincinnati, OH-KY-IN Metropolitan Statistical Area. The serving LATA is 922. Local time follows the Eastern zone.
Spoofing means this prefix on your screen doesn't guarantee a Hamilton caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 513-737 | Hamilton | CINCINNATI BELL |
| 513-738 | Shandon | CINCINNATI BELL |
| 513-739 | Cincinnati | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 513-741 | Cincinnati | CINCINNATI BELL |
| 513-742 | Cincinnati | CINCINNATI BELL |
| 513-743 | Cincinnati | IP HORIZON LLC |
FAQ
Where is 513-740 located?
The prefix is assigned to the Hamilton rate center in OH, area code 513. It is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area.
Which company owns 513-740 numbers?
ONVOY, LLC - OH holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 513-740 safe to answer?
The prefix itself says nothing about the caller. Legitimate Hamilton businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.