| 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 |
|---|---|---|---|
| 734-423 | Wayne | Wayne | Landline |
| 734-784 | Romulus | Wayne | Landline |
| 734-840 | Plymouth | Wayne | Landline |
| 734-561 | Trenton | Wayne | Landline |
| 734-380 | Detroit | Wayne | Landline |
| 734-934 | Wyandotte | Wayne | Wireless |
| 734-435 | New Boston | Wayne | Wireless |
| 734-535 | Flat Rock | Wayne | Landline |
| 734-434 | Ypsilanti | Washtenaw | Landline |
| 734-697 | Belleville | Wayne | Landline |
| 734-208 | Flat Rock | Wayne | Wireless |
| 734-274 | Ann Arbor | Washtenaw | Wireless |
| 734-947 | Romulus | Wayne | Landline |
| 734-264 | Monroe | Monroe | Landline |
| 734-892 | Plymouth | Wayne | Landline |
| 734-895 | Wayne | Wayne | Landline |
| 734-378 | Dexter | Washtenaw | Landline |
| 734-922 | Ann Arbor | Washtenaw | Landline |
| 734-527 | Ann Arbor | Washtenaw | Landline |
| 734-403 | Romulus | Wayne | Landline |