| 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 |
|---|---|---|---|
| 248-323 | Oakland | Pontiac, MI | American Messaging (am) |
| 248-324 | Oakland | Farmington, MI | Ameritech Michigan |
| 248-325 | Oakland | W Bloomfield, MI | Ameritech Michigan |
| 248-326 | Oakland | Pontiac, MI | Phone Michigan |
| 248-327 | Wayne | Detroit, MI | AT&T Local |
| 248-328 | Oakland | Holly, MI | Ameritech Michigan |
| 248-329 | Oakland | Milford, MI | Phone Michigan |
| 248-330 | Oakland | Pontiac, MI | Cellco Partnership DBA Verizon Wireless |
| 248-331 | Oakland | Southfield, MI | Ameritech Michigan |
| 248-332 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-333 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-334 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-335 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-336 | Oakland | Royal Oak, MI | Ameritech Michigan |
| 248-337 | Oakland | Southfield, MI | Usa Mobility Wireless |
| 248-338 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-339 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-340 | Oakland | Pontiac, MI | Ameritech Michigan |
| 248-341 | Wayne | Detroit, MI | Broadwing Communications |
| 248-342 | Oakland | Pontiac, MI | Sprint Spectrum L.p. |
There are 737 prefixes, In the code area, the major cities are Bloomfield Township, MI;Farmington Hills, MI;Fernd. The major city is Detroit.