Prefix 216-350 — Cleveland, OH
The 216-350 prefix belongs to area code 216 and is anchored to the Cleveland rate center (OH). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Cleveland is part of the Cleveland, OH Metropolitan Statistical Area. For routing purposes it sits in LATA 320. Numbers here keep Eastern time.
The assigned code holder is ONVOY, LLC - OH, operating company number 464C, assigned May 6, 2015. 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 216-350 is not proof the call came from Cleveland: 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 |
|---|---|---|
| 216-346 | Cleveland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH |
| 216-347 | Cleveland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH |
| 216-348 | Cleveland | OHIO BELL TEL CO |
| 216-351 | Cleveland | OHIO BELL TEL CO |
| 216-352 | Cleveland | OHIO BELL TEL CO |
| 216-353 | Cleveland | IP HORIZON LLC |
FAQ
Where is 216-350 located?
The prefix is assigned to the Cleveland rate center in OH, area code 216. It is part of the Cleveland, OH Metropolitan Statistical Area.
Which company owns 216-350 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 216-350 safe to answer?
The prefix itself says nothing about the caller. Legitimate Cleveland businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.