Ann Arbor Michigan Area Code
One area code covers Ann Arbor: 734.
The code covering Ann Arbor
| Area code | Primarily serves | In service |
|---|---|---|
| 734 | Detroit | 1997 |
Scope the codes matched to Ann Arbor. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated . Overlay relationships come from the numbering-plan authority; the place match is computed.
Which part of town has which code
Ann Arbor has a single code, so there is nothing to divide — every local line carries 734.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Ann Arbor’s 8 ZIP codes do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.
Ann Arbor Michigan ZIP codes →
Nearby places with different codes
These are the closest places to Ann Arbor whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.
| City | Distance | Their area codes |
|---|---|---|
| South Lyon Michigan area codes | 13 mi | 248, 947 |
| Belleville Michigan area codes | 14 mi | 313, 679, 734 |
| Plymouth Michigan area codes | 15 mi | 248, 313, 679, 734, 947 |
| Northville Michigan area codes | 17 mi | 248, 734, 947 |
| Brighton Michigan area codes | 18 mi | 248, 586, 810, 947 |
| Manchester Michigan area codes | 18 mi | 517, 734 |
| Westland Michigan area codes | 18 mi | 313, 679, 734 |
| Novi Michigan area codes | 19 mi | 248, 947 |
Straight-line distance between place reference points, not driving distance.