Area code 872
Area code 872 serves Chicago, Illinois. It is on Central Time, which observes daylight saving time. 312 and 773 are overlays for the same area.
Area code 872 at a glance
Cities in 872
- 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 an 872 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 an 872 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 872 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 |
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Other area codes in Illinois
Questions about 872
What time zone is area code 872?
Area code 872 is on Central Time. It observes daylight saving time.
Where is area code 872?
Area code 872 is in Illinois. Its main city is Chicago.
What are the legal hours to call an 872 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 872?
312 and 773 cover the same area as 872, so numbers in the same town can have either code.