Area Codes
| 248 | Michigan (Troy, Oakland County, Pontiac, Southfield, Rochester Hills and northwestern Detroit suburbs, overlays with 947) | More information at: Area Code 248 Phone Number Blocks
| 248 | Michigan (Troy, Oakland County, Pontiac, Southfield, Rochester Hills and northwestern Detroit suburbs, overlays with 947) | More information at: Area Code 248 Phone Number Blocks