Area Code 773 at a Glance
| Area code | 773 |
| Region | Chicago, IL |
| Country | United States |
| Primary timezone | America/Chicago |
| Dialing format | +1 (773) NXX-XXXX |
Frequently Asked Questions
Where is area code 773?
Area code 773 serves Chicago, IL, United States.
Who is calling me from area code 773?
A call from area code 773 most likely originates from Chicago, IL, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 773 number?
Within North America: dial 1-773 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 773 and the number.