| Area Code | 313 |
| State | Michigan |
| Current Time in Area Code 313 | 313> EST |
| Timezone | Eastern Standard Time |
| Regional Market Area | Metro Detroit |
| Population (2020) | 1793561 |
| Adjacent Area Codes | 226,248,519,548,586,734,947 |
| Wayne County |
| Dearborn |
| Dearborn Heights |
| Detroit |
| Lincoln Park |