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