Prefix 313-502 — Detroit Zone 01, MI
- Area code
- 313
- Prefix (NXX)
- 502
- Rate center
- Detroit Zone 01
- State
- Michigan
- Time zone
- Eastern
- Code holder
- OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
- OCN
- 2964
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2013-11-27
- LATA
- 340
313-502 identifies a block of numbers in Detroit Zone 01, MI, within the 313 area code. Every US prefix is tied to exactly one rate center; this one is Detroit Zone 01.
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 — 313-502 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.
The assigned code holder is OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC, operating company number 2964, assigned November 27, 2013. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 313-499 | Detroit Zone 02 | MICHIGAN BELL TEL CO |
| 313-500 | Detroit Zone 05 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
| 313-501 | Detroit Zone 06 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 313-503 | Detroit Zone 05 | AMERICAN MESSAGING SERVICES, LLC |
| 313-504 | Detroit Zone 03 | ONVOY, LLCV - MI |
| 313-505 | Detroit Zone 05 | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 313-502 located?
The prefix is assigned to the Detroit Zone 01 rate center in MI, area code 313. It is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area.
Which company owns 313-502 numbers?
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 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 313-502 safe to answer?
The prefix itself says nothing about the caller. Legitimate Detroit Zone 01 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.