| Area Code | 847 |
| State | Illinois |
| Current Time in Area Code 847 | 847> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | Metro Chicago |
| Population (2020) | 714342 |
| Adjacent Area Codes | 224,262,269,331,464,616,630,708,773,779,815,872 |
| Overlay Area Codes | 224 |
| Lake County |