Area code 821
Area code 821 serves Greenville and nearby parts of South Carolina, including Spartanburg, Anderson and Greer. It is on Eastern Time, which observes daylight saving time. 864 is an overlay for the same area.
Area code 821 at a glance
| State | South Carolina (SC) |
| Main city | Greenville |
| Time zone | Eastern Time |
| UTC offset | UTC−5 in winter, UTC−4 in summer |
| Daylight saving time | Yes |
| Overlay codes | 864 |
Cities in 821
- Greenville
- Spartanburg
- Anderson
- Greer
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 821 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 821 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 821 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 821 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 South Carolina
Questions about 821
What time zone is area code 821?
Area code 821 is on Eastern Time. It observes daylight saving time.
Where is area code 821?
Area code 821 is in South Carolina. Its main city is Greenville, and it also covers Spartanburg, Anderson and Greer.
What are the legal hours to call an 821 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 821?
864 covers the same area as 821, so numbers in the same town can have either code.