Question 1

What is the area code for Ann Arbor?

Accepted Answer

The main area code for Ann Arbor, Michigan is 517. Ann Arbor is now served by 2 area codes in total: 517, 734.

Question 2

How many area codes does Ann Arbor have?

Accepted Answer

Ann Arbor has 2 area codes: 517, 734.

Question 3

Why does Ann Arbor have more than one area code?

Accepted Answer

As Ann Arbor used up the numbers available in its original area code (517, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Ann Arbor number?

Accepted Answer

Dial all 10 digits — the area code (517 or 734) followed by the 7-digit local number. From outside the U.S., dial +1, then the area code and number.

Area codes in Ann Arbor, Michigan

Area codes serving Ann Arbor