Area Code 231
Michigan (MI) • Muskegon, Traverse City, Afton, Alanson, Alba, Alden, Arcadia, Bailey • Eastern Time (ET)
What Stands Out
- •Coverage: 698.3K people across 136 ZIP codes.
- •Major cities: Muskegon, Traverse City, Afton.
Spotlight: Coverage
Snapshot highlights for area code 231.
Income
45th
Home values
53rd
Poverty rate
60th
Area Code Basics
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.