| District of Michigan area codes: 734 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Detroit |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 734-245 | Wayne | Livonia, MI | Local Exchange Carriers Of Michigan |
| 734-246 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-247 | Wayne | Romulus, MI | Ameritech Michigan |
| 734-249 | Washtenaw | Ann Arbor, MI | Cellco Partnership DBA Verizon Wireless |
| 734-250 | Wayne | Wayne, MI | New Cingular Wireless PCS - IL |
| 734-251 | Washtenaw | Chelsea, MI | Michtel Communications LLC |
| 734-252 | Wayne | Belleville, MI | Phone Michigan |
| 734-253 | Washtenaw | Dexter, MI | Comcast Phone Of Michigan |
| 734-254 | Wayne | Plymouth, MI | Ameritech Michigan |
| 734-255 | Washtenaw | Ann Arbor, MI | Cellco Partnership DBA Verizon Wireless |
| 734-256 | Washtenaw | Willis, MI | Teleport Communications America |
| 734-257 | Washtenaw | Whitmore Lake, MI | Teleport Communications America |
| 734-258 | Wayne | Wyandotte, MI | Teleport Communications America |
| 734-259 | Oakland | Southfield, MI | Level 3 Communications |
| 734-260 | Washtenaw | Ann Arbor, MI | Sprint Spectrum L.p. |
| 734-261 | Wayne | Livonia, MI | Ameritech Michigan |
| 734-262 | Washtenaw | Ypsilanti, MI | Omnipoint Communications Midwest Operations LLC |
| 734-264 | Monroe | Monroe, MI | Allegiance Telecom Of Michigan |
| 734-265 | Monroe | Monroe, MI | Mci Worldcom Communications |
| 734-266 | Wayne | Livonia, MI | Ameritech Michigan |
There are 608 prefixes, In the code area, the major cities are Ann Arbor, MI;Canton, MI;Garden City, MI;Livonia, . The major city is Detroit.