Prefix 513-663 — Hamilton, OH
Numbers in the 513-663 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 (513-663-XXXX) and pins the number to a billing locality.
The assigned code holder is HD CARRIER LLC, operating company number 321J, assigned March 31, 2020. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
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 |
|---|---|---|
| 513-660 | Cincinnati | SPOK, INC. |
| 513-661 | Cincinnati | CINCINNATI BELL |
| 513-662 | Cincinnati | CINCINNATI BELL |
| 513-664 | Oxford | FRONTIER NORTH, INC. - OH |
| 513-665 | Cincinnati | CINCINNATI BELL |
| 513-666 | Cincinnati | ONVOY, LLC - OH |
FAQ
Where is 513-663 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 513-663 numbers?
HD CARRIER LLC 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 513-663 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.