Prefix 313-306 — Detroit Zone 04, MI
- Area code
- 313
- Prefix (NXX)
- 306
- Rate center
- Detroit Zone 04
- State
- Michigan
- Time zone
- Eastern
- Code holder
- BANDWIDTH.COM CLEC, LLC - MI
- OCN
- 991E
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2018-09-24
- LATA
- 340
Numbers in the 313-306 prefix are registered to the Detroit Zone 04 rate center in MI, inside area code 313. The prefix is the second block of a ten-digit US number (313-306-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list BANDWIDTH.COM CLEC, LLC - MI (OCN 991E) as the code holder, assigned September 24, 2018. Because 313-306 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
The rate center lies in the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area. The serving LATA is 340. Local time follows the Eastern zone.
Spoofing means this prefix on your screen doesn't guarantee a Detroit Zone 04 caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 313-303 | Detroit Zone 05 | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 313-304 | Detroit Zone 05 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
| 313-305 | Detroit Zone 03 | PAETEC ITEL, LLC |
| 313-307 | Detroit Zone 04 | ONVOY, LLCV - MI |
| 313-308 | Detroit Zone 02 | PAETEC ITEL, LLC |
| 313-309 | Detroit Zone 01 | PAETEC ITEL, LLC |
FAQ
Where is 313-306 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 313-306 numbers?
BANDWIDTH.COM CLEC, LLC - 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 313-306 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.