| General Information about Area Code 734 | |
|---|---|
| Country | United States |
| State / Province / Territory | Michigan |
| Major City | Ann Arbor |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 734-640 | Ann Arbor | Washtenaw | Wireless |
| 734-904 | Ann Arbor | Washtenaw | Wireless |
| 734-945 | Ann Arbor | Washtenaw | Wireless |
| 734-856 | Lambertville | Monroe | Landline |
| 734-654 | Carleton | Monroe | Landline |
| 734-872 | Newport | Monroe | Landline |
| 734-317 | Erie | Monroe | Landline |
| 734-439 | Milan | Monroe | Landline |
| 734-842 | New Boston | Wayne | Landline |
| 734-941 | Romulus | Wayne | Landline |
| 734-522 | Livonia | Wayne | Landline |
| 734-977 | Washtenaw | Washtenaw | - |
| 734-489 | Ann Arbor | Washtenaw | Landline |
| 734-639 | Monroe | Monroe | Landline |
| 734-688 | Pinckney | Livingston | Landline |
| 734-893 | Plymouth | Wayne | Landline |
| 734-231 | Trenton | Wayne | Wireless |
| 734-896 | Ypsilanti | Washtenaw | Wireless |
| 734-493 | Trenton | Wayne | Landline |
| 734-695 | Ypsilanti | Washtenaw | Landline |