| District of Michigan area codes: 248 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Detroit |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 248-302 | Oakland | Southfield, MI | Cellco Partnership DBA Verizon Wireless |
| 248-303 | Oakland | Pontiac, MI | Cellco Partnership DBA Verizon Wireless |
| 248-304 | Oakland | Southfield, MI | Ameritech Michigan |
| 248-305 | Wayne | Northville, MI | Ameritech Michigan |
| 248-306 | Oakland | Farmington, MI | Long Distance Of Michigan DBA Ldmi |
| 248-307 | Oakland | Royal Oak, MI | Ameritech Michigan |
| 248-308 | Wayne | Northville, MI | Cellco Partnership DBA Verizon Wireless |
| 248-309 | Oakland | Birmingham, MI | Cellco Partnership DBA Verizon Wireless |
| 248-310 | Oakland | Pontiac, MI | Cellco Partnership DBA Verizon Wireless |
| 248-312 | Oakland | Troy, MI | Ameritech Michigan |
| 248-313 | Oakland | Walled Lake, MI | Talk America Inc. |
| 248-314 | Wayne | Northville, MI | American Messaging (am) |
| 248-315 | Oakland | Royal Oak, MI | Usa Mobility Wireless |
| 248-316 | Oakland | Royal Oak, MI | Usa Mobility Wireless |
| 248-317 | Oakland | Royal Oak, MI | Usa Mobility Wireless |
| 248-318 | Oakland | Pontiac, MI | Cellco Partnership DBA Verizon Wireless |
| 248-319 | Wayne | Detroit, MI | Allegiance Telecom Of Michigan |
| 248-320 | Oakland | Southfield, MI | Cellco Partnership DBA Verizon Wireless |
| 248-321 | Oakland | Troy, MI | Cellco Partnership DBA Verizon Wireless |
| 248-322 | Oakland | Pontiac, MI | Ameritech Michigan |
There are 737 prefixes, In the code area, the major cities are Bloomfield Township, MI;Farmington Hills, MI;Fernd. The major city is Detroit.