Prefix 513-356 — Cincinnati, OH
- Area code
- 513
- Prefix (NXX)
- 356
- Rate center
- Cincinnati
- State
- Ohio
- Time zone
- Eastern
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-05-27
- LATA
- 922
The 513-356 prefix belongs to area code 513 and is anchored to the Cincinnati rate center (OH). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Cincinnati is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area. For routing purposes it sits in LATA 922. Numbers here keep Eastern time.
The assigned code holder is T-MOBILE USA, INC., operating company number 6529, assigned May 27, 2011. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 513-356 is not proof the call came from Cincinnati: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 513-353 | Cincinnati | CINCINNATI BELL |
| 513-354 | Cincinnati | LEVEL 3 TELECOM OF OHIO, LLC - OH |
| 513-355 | Middletown | AMERICAN MESSAGING SERVICES, LLC |
| 513-357 | Cincinnati | CINCINNATI BELL |
| 513-358 | Cincinnati | CINCINNATI BELL |
| 513-359 | Cincinnati | SPOK, INC. |
FAQ
Where is 513-356 located?
The prefix is assigned to the Cincinnati rate center in OH, area code 513. It is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area.
Which company owns 513-356 numbers?
T-MOBILE USA, INC. 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 513-356 safe to answer?
The prefix itself says nothing about the caller. Legitimate Cincinnati businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.