Area code 773
Area code 773 serves Chicago, Illinois. It is on Central Time, which observes daylight saving time. 312 and 872 are overlays for the same area.
Area code 773 at a glance
Cities in 773
- Chicago
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 773 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Here is that window for a 773 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 773 between |
|---|---|
| Eastern | 9:00 AM to 10:00 PM |
| Central | 8:00 AM to 9:00 PM |
| Mountain | 7:00 AM to 8:00 PM |
| Arizona | 6:00 AM to 7:00 PM |
| Pacific | 6:00 AM to 7:00 PM |
See the time in 773 without leaving your CRM
Parse is a free Chrome extension that shows the local time and weather beside every phone number on the page.
Other area codes in Illinois
Questions about 773
What time zone is area code 773?
Area code 773 is on Central Time. It observes daylight saving time.
Where is area code 773?
Area code 773 is in Illinois. Its main city is Chicago.
What are the legal hours to call a 773 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Personal and informational calls are not limited by these hours.
What area codes overlay 773?
312 and 872 cover the same area as 773, so numbers in the same town can have either code.