Area codes in Bay City, Michigan

Bay City, Michigan uses area code 989. The main Bay City area code is 989.

Area codes serving Bay City

Phone numbers in Bay City are written as ten digits — for example (989) 555-0190 — and fall in the Eastern Time zone.

All Michigan area codes · Is a Bay City call a scam?

Nearby cities

More cities in Michigan

Frequently asked questions

What is the area code for Bay City?

The main area code for Bay City, Michigan is 989.

How many area codes does Bay City have?

Bay City has 1 area code: 989.

How do you dial a Bay City number?

Dial all 10 digits — the area code (989) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.