Area code 810
Area code 810 serves Flint and nearby parts of Michigan, including Port Huron, Burton and Lapeer. It is on Eastern Time, which observes daylight saving time.
Area code 810 at a glance
| State | Michigan (MI) |
| Main city | Flint |
| Time zone | Eastern Time |
| UTC offset | UTC−5 in winter, UTC−4 in summer |
| Daylight saving time | Yes |
Cities in 810
- Flint
- Port Huron
- Burton
- Lapeer
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 810 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 810 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 810 between |
|---|---|
| Eastern | 8:00 AM to 9:00 PM |
| Central | 7:00 AM to 8:00 PM |
| Mountain | 6:00 AM to 7:00 PM |
| Arizona | 5:00 AM to 6:00 PM |
| Pacific | 5:00 AM to 6:00 PM |
See the time in 810 without leaving your CRM
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Other area codes in Michigan
Questions about 810
What time zone is area code 810?
Area code 810 is on Eastern Time. It observes daylight saving time.
Where is area code 810?
Area code 810 is in Michigan. Its main city is Flint, and it also covers Port Huron, Burton and Lapeer.
What are the legal hours to call an 810 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.