Area Code 313

Michigan (MI) • Detroit, Dearborn, Dearborn Heights, Grosse Pointe, Redford, Allen Park, Ecorse, Hamtramck • Eastern Time (ET)

What Stands Out

•Coverage: 1.0M people across 45 ZIP codes (primarily Wayne County, MI).
•Major cities: Detroit, Dearborn, Dearborn Heights.

Spotlight: Coverage

Snapshot highlights for area code 313.

Income

16th

Home values

23rd

Poverty rate

92nd

Area Code Basics

Primary State

Michigan (MI)

States Served

Michigan (MI)

Major Cities

Detroit, Dearborn, Dearborn Heights, Grosse Pointe, Redford, Allen Park, Ecorse, Hamtramck

Time Zone(s)

Eastern Time (ET)

Est. Population

1.0M

ZIP Codes

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.