| 773 Area Code Basic Information | |
|---|---|
| Area Code | 773 |
| Location | IL |
| Country | US |
| In Service Date | 1996-10-12 |
| Service Length | 29 years |
| Overlay Area Code? | Yes |
| Overlay Area Codes | 773 872 |
| Parent Area Code | 312 |
| Time Zone | C |
| Map | 392 |
| Area code in jeopardy? | No |
The following section explains how to dial outbound numbers from this area code.