Area code 839
Area code 839 serves Columbia and nearby parts of South Carolina, including Rock Hill, Sumter and Aiken. It is on Eastern Time, which observes daylight saving time. 803 is an overlay for the same area.
Area code 839 at a glance
| State | South Carolina (SC) |
| Main city | Columbia |
| Time zone | Eastern Time |
| UTC offset | UTC−5 in winter, UTC−4 in summer |
| Daylight saving time | Yes |
| Overlay codes | 803 |
Cities in 839
- Columbia
- Rock Hill
- Sumter
- Aiken
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 839 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 839 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 839 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 839 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 839
What time zone is area code 839?
Area code 839 is on Eastern Time. It observes daylight saving time.
Where is area code 839?
Area code 839 is in South Carolina. Its main city is Columbia, and it also covers Rock Hill, Sumter and Aiken.
What are the legal hours to call an 839 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 839?
803 covers the same area as 839, so numbers in the same town can have either code.