Area codes in Warren, Michigan

Warren, Michigan uses area code 586. The main Warren area code is 586.

Area codes serving Warren

Phone numbers in Warren are written as ten digits — for example (586) 555-0190 — and fall in the Eastern Time zone.

All Michigan area codes · Is a Warren call a scam?

Nearby cities

More cities in Michigan

Frequently asked questions

What is the area code for Warren?

The main area code for Warren, Michigan is 586.

How many area codes does Warren have?

Warren has 1 area code: 586.

How do you dial a Warren number?

Dial all 10 digits — the area code (586) 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.