Area codes in Ann Arbor, Michigan

Ann Arbor, Michigan uses area code 734. The main Ann Arbor area code is 734.

Area codes serving Ann Arbor

Phone numbers in Ann Arbor are written as ten digits — for example (734) 555-0190 — and fall in the Eastern Time zone.

All Michigan area codes · Is a Ann Arbor call a scam?

Nearby cities

More cities in Michigan

Frequently asked questions

What is the area code for Ann Arbor?

The main area code for Ann Arbor, Michigan is 734.

How many area codes does Ann Arbor have?

Ann Arbor has 1 area code: 734.

How do you dial a Ann Arbor number?

Dial all 10 digits — the area code (734) 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.