Prefix 313-241 — Detroit Zone 04, MI
- Area code
- 313
- Prefix (NXX)
- 241
- Rate center
- Detroit Zone 04
- State
- Michigan
- Time zone
- Eastern
- Code holder
- ONVOY, LLCV - MI
- OCN
- 543C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2012-02-08
- LATA
- 340
313-241 identifies a block of numbers in Detroit Zone 04, MI, within the 313 area code. Every US prefix is tied to exactly one rate center; this one is Detroit Zone 04.
The rate center lies in the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area. The serving LATA is 340. Local time follows the Eastern zone.
Treat the on-screen number as a hint, not evidence — 313-241 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: ONVOY, LLCV - MI (OCN 543C), assigned February 8, 2012. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 313-241 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 313-238 | Detroit Zone 05 | SPOK, INC. |
| 313-239 | Detroit Zone 05 | SPOK, INC. |
| 313-240 | Detroit Zone 06 | MICHIGAN BELL TEL CO |
| 313-242 | Detroit Zone 05 | PAETEC ITEL, LLC |
| 313-243 | Detroit Zone 04 | PAETEC ITEL, LLC |
| 313-244 | Detroit Zone 05 | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 313-241 located?
The prefix is assigned to the Detroit Zone 04 rate center in MI, area code 313. It is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area.
Which company owns 313-241 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 313-241 safe to answer?
The prefix itself says nothing about the caller. Legitimate Detroit Zone 04 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.