Prefix 313-360 — Detroit Zone 01, MI

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

Area code
313
Prefix (NXX)
360
Rate center
Detroit Zone 01
State
Michigan
Time zone
Eastern
Code holder
TELEPORT COMMUNICATIONS AMERICA, LLC - MI
OCN
770E
Pooled
Yes (thousands-block pooling)
Assigned
2021-11-05
LATA
340

Numbers in the 313-360 prefix are registered to the Detroit Zone 01 rate center in MI, inside area code 313. The prefix is the second block of a ten-digit US number (313-360-XXXX) and pins the number to a billing locality.

Code-holder of record: TELEPORT COMMUNICATIONS AMERICA, LLC - MI (OCN 770E), assigned November 5, 2021. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 313-360 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 01 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 313-360
PrefixRate centerCode holder
313-357 Detroit Zone 06 PAETEC ITEL, LLC
313-358 Detroit Zone 06 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
313-359 Detroit Zone 06 MICHIGAN BELL TEL CO
313-361 Detroit Zone 01 MICHIGAN BELL TEL CO
313-362 Detroit Zone 05 PAETEC ITEL, LLC
313-363 Detroit Zone 05 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC

FAQ

Where is 313-360 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 313-360 numbers?

TELEPORT COMMUNICATIONS AMERICA, 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 313-360 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.