Prefix 313-236 — Detroit Zone 05, MI

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

Numbers in the 313-236 prefix are registered to the Detroit Zone 05 rate center in MI, inside area code 313. The prefix is the second block of a ten-digit US number (313-236-XXXX) and pins the number to a billing locality.

Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (OCN 6003), assigned September 28, 2012. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 313-236 numbers may be served by different companies.

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 05 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

FAQ

Where is 313-236 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 313-236 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 313-236 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.