Area code 678
Area code 678 serves Atlanta and nearby parts of Georgia, including Marietta, Lawrenceville and Alpharetta. It is on Eastern Time, which observes daylight saving time. 404, 770 and 470 are overlays for the same area.
Area code 678 at a glance
Cities in 678
- Atlanta
- Marietta
- Lawrenceville
- Alpharetta
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 678 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 678 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 678 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 678 without leaving your CRM
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Other area codes in Georgia
Questions about 678
What time zone is area code 678?
Area code 678 is on Eastern Time. It observes daylight saving time.
Where is area code 678?
Area code 678 is in Georgia. Its main city is Atlanta, and it also covers Marietta, Lawrenceville and Alpharetta.
What are the legal hours to call a 678 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 678?
404, 770 and 470 cover the same area as 678, so numbers in the same town can have either code.