The 821 area code covers the same area as 864, including Greenville, Spartanburg and 58 more places in South Carolina.
821 has been in service since 2024, on Eastern Time. 864 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in South Carolina, mostly Greenville County, Spartanburg County and Anderson County
- Time zone
- Eastern Time
- In service since
- 2024
- Shares its area with
- 864 (since 1995)
- Prefixes in use
- 42
- How to dial
- Local calls need all 10 digits: 821-555-0142.
Find out who called you from an 821 number.
Enter the full 10-digit number to see who it is listed to, where it is registered, and whether it is a mobile, landline or VoIP line.
Greenwood holds 29% of the phone prefixes in area code 821.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 42 prefixes in use shows where 821 numbers are actually given out.
- Greenwood12 prefixes, 29%
- Laurens7 prefixes, 17%
- Greenville4 prefixes, 10%
- Spartanburg3 prefixes, 7%
- Anderson2 prefixes, 5%
- Simpsonville2 prefixes, 5%
- Piedmont1 prefix, 2%
- Seneca1 prefix, 2%
Also served: Clemson, Easley, Union and Simpsonville and 48 smaller places.
821 started in 2024 as an overlay on 864, and its ground has not changed since.
2024
821 starts as an overlay on 864: new numbers on the same ground.
An 821 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
South Carolina has 5 other area codes.
These are the questions people ask most about area code 821.
Where is area code 821?
821 covers Greenville, Spartanburg, Anderson and Greenwood and 56 more places in South Carolina, in Greenville County, Spartanburg County and Anderson County.
What time zone is area code 821 in?
821 is on Eastern Time.
Is 821 the same area as 864?
Yes. 864 (since 1995) covers the same ground as 821. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial an 821 number?
Local calls need all 10 digits: 821-555-0142.
Who called me from an 821 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 821 a scam?
821 is a real South Carolina area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.