Area code 734
Area code 734 serves Ann Arbor and nearby parts of Michigan, including Livonia, Westland and Monroe. It is on Eastern Time, which observes daylight saving time.
Area code 734 at a glance
| State | Michigan (MI) |
| Main city | Ann Arbor |
| Time zone | Eastern Time |
| UTC offset | UTC−5 in winter, UTC−4 in summer |
| Daylight saving time | Yes |
Cities in 734
- Ann Arbor
- Livonia
- Westland
- Monroe
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 734 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 734 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 734 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 734 without leaving your CRM
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Other area codes in Michigan
Questions about 734
What time zone is area code 734?
Area code 734 is on Eastern Time. It observes daylight saving time.
Where is area code 734?
Area code 734 is in Michigan. Its main city is Ann Arbor, and it also covers Livonia, Westland and Monroe.
What are the legal hours to call a 734 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.