Prefix 313-246 — Detroit Zone 05, MI

NANPA CO code assignment, current as of July 28, 2026.

A phone number starting 313-246 was issued in the Detroit Zone 05 rate center of MI — part of area code 313.

The assigned code holder is BANDWIDTH.COM CLEC, LLC - MI, operating company number 991E, assigned October 24, 2013. 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 313-246 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 05 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

FAQ

Where is 313-246 located?

The prefix is assigned to the Detroit Zone 05 rate center in MI, area code 313. It is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area.

Which company owns 313-246 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 313-246 safe to answer?

The prefix itself says nothing about the caller. Legitimate Detroit Zone 05 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.