| 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 |
|---|---|---|---|
| 734-267 | Wayne | Romulus, MI | American Messaging (am) |
| 734-268 | Washtenaw | Dexter, MI | Global Crossing Telemanagement-mi |
| 734-269 | Monroe | Ida, MI | Frontier North |
| 734-270 | Wayne | Westland, MI | Comcast Phone Of Michigan |
| 734-271 | Monroe | Carleton, MI | Global Crossing Telemanagement-mi |
| 734-272 | Washtenaw | Ann Arbor, MI | Level 3 Communications |
| 734-273 | Washtenaw | Ypsilanti, MI | Phone Michigan |
| 734-274 | Washtenaw | Ann Arbor, MI | New Cingular Wireless PCS - IL |
| 734-275 | Peerless Network Of Michigan | ||
| 734-276 | Washtenaw | Ann Arbor, MI | New Cingular Wireless PCS - IL |
| 734-277 | Washtenaw | Ann Arbor, MI | New Cingular Wireless PCS - IL |
| 734-279 | Monroe | Petersburg, MI | Deerfield Farmers Telephone Co. |
| 734-281 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-282 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-283 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-284 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-285 | Wayne | Wyandotte, MI | Ameritech Michigan |
| 734-286 | Wayne | Wyandotte, MI | Mci Worldcom Communications |
| 734-287 | Wayne | Taylor, MI | Ameritech Michigan |
| 734-288 | Wayne | Detroit, MI | Mci Worldcom Communications |
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.