| Area Code | 973 |
| State | New Jersey |
| Current Time in Area Code 973 | 973> EST |
| Timezone | Eastern Standard Time |
| Regional Market Area | Metro New York City Northern New Jersey Area |
| Population (2020) | 2041352 |
| Adjacent Area Codes | 201,272,551,570,845,862,908 |
| Overlay Area Codes | 862 |
| Essex County |
| Morris County |
| Passaic County |
| Sussex County |