Prefix 313-251 — Detroit Zone 06, MI
- Area code
- 313
- Prefix (NXX)
- 251
- Rate center
- Detroit Zone 06
- State
- Michigan
- Time zone
- Eastern
- Code holder
- ONVOY, LLCV - MI
- OCN
- 543C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2015-12-24
- LATA
- 340
A phone number starting 313-251 was issued in the Detroit Zone 06 rate center of MI — part of area code 313.
The assigned code holder is ONVOY, LLCV - MI, operating company number 543C, assigned December 24, 2015. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 313-251 without ever touching MI. 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.
Detroit Zone 06 is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area. For routing purposes it sits in LATA 340. Numbers here keep Eastern time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 313-248 | Detroit Zone 06 | MICHIGAN BELL TEL CO |
| 313-249 | Detroit Zone 05 | MICHIGAN BELL TEL CO |
| 313-250 | Detroit Zone 05 | SPOK, INC. |
| 313-252 | Detroit Zone 03 | MICHIGAN BELL TEL CO |
| 313-253 | Detroit Zone 06 | MICHIGAN BELL TEL CO |
| 313-254 | Detroit Zone 06 | LEVEL 3 COMMUNICATIONS, LLC - MI |
FAQ
Where is 313-251 located?
The prefix is assigned to the Detroit Zone 06 rate center in MI, area code 313. It is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area.
Which company owns 313-251 numbers?
ONVOY, LLCV - MI 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 313-251 safe to answer?
The prefix itself says nothing about the caller. Legitimate Detroit Zone 06 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.