Prefix 513-400 — Cincinnati, OH
- Area code
- 513
- Prefix (NXX)
- 400
- Rate center
- Cincinnati
- State
- Ohio
- Time zone
- Eastern
- Code holder
- T-MOBILE USA, INC.
- OCN
- 6529
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2010-12-15
- LATA
- 922
A phone number starting 513-400 was issued in the Cincinnati rate center of OH — part of area code 513.
NANPA's central-office code records list T-MOBILE USA, INC. (OCN 6529) as the code holder, assigned December 15, 2010. Because 513-400 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 513-400 without ever touching OH. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 513-397 | Cincinnati | CINCINNATI BELL |
| 513-398 | Mason | BRIGHTSPEED OF NORTHWEST OHIO, INC. |
| 513-399 | Cincinnati | T-MOBILE USA, INC. |
| 513-401 | Cincinnati | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH |
| 513-402 | Monroe | PAETEC ITEL, LLC |
| 513-403 | Cincinnati | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH |
FAQ
Where is 513-400 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 513-400 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 513-400 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.