Prefix 313-444 — Detroit Zone 02, MI

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

Area code
313
Prefix (NXX)
444
Rate center
Detroit Zone 02
State
Michigan
Time zone
Eastern
Code holder
PAETEC ITEL, LLC
OCN
829J
Pooled
Yes (thousands-block pooling)
Assigned
2009-04-16
LATA
340

A phone number starting 313-444 was issued in the Detroit Zone 02 rate center of MI — part of area code 313.

The assigned code holder is PAETEC ITEL, LLC, operating company number 829J, assigned April 16, 2009. 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 313-444 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 02 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

Prefixes adjacent to 313-444
PrefixRate centerCode holder
313-441 Detroit Zone 06 MICHIGAN BELL TEL CO
313-442 Detroit Zone 01 MICHIGAN BELL TEL CO
313-443 Detroit Zone 06 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
313-445 Detroit Zone 06 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
313-446 Detroit Zone 01 MICHIGAN BELL TEL CO
313-447 Detroit Zone 02 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC

FAQ

Where is 313-444 located?

The prefix is assigned to the Detroit Zone 02 rate center in MI, area code 313. It is part of the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area.

Which company owns 313-444 numbers?

PAETEC ITEL, 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 313-444 safe to answer?

The prefix itself says nothing about the caller. Legitimate Detroit Zone 02 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.