Area codes › South Carolina › 821

USA Area code 821 - South Carolina, SC

Area code 821 is a North American Numbering Plan telephone area code serving Area codes in upstate South Carolina, United States in South Carolina. It was activated in 1995 .

Sources: FCC OpenData, Wikipedia, and community-submitted reports · Updated
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Local time in 821 ?
-
Overlay code ?
864
Time zone ?
Eastern (ET)
Activated ?
1995

Who called me from area code 821?

A call from area code 821 most likely originates from South Carolina or elsewhere in South Carolina - but caller ID spoofing means the area code alone cannot confirm who called. The only reliable way to identify the caller is to check the full 10-digit number:

  1. Run the number through the reverse phone lookup at the top of this page to see the owner's name, carrier, and location.
  2. Compare it against the recently reported scam numbers in 821 below.
  3. If the call was unwanted, report it to the FTC and use the report form on this page so other 821 residents see it.
Report a scam call from 821 Help other 821-area residents - takes 20 seconds, no signup

Reports are reviewed by our team before appearing on the page. The highest-reported numbers get added to the “Recently reported scam numbers” list above with a “community” badge.

Only the number, category, and description are stored. IP addresses are one-way hashed for rate-limiting and never stored raw. Reports are moderated before publication. Links are not allowed in descriptions.

Should I answer a call from a 821 number? Take the 30-second quiz - 5 questions, verdict + advice

Runs entirely in your browser - nothing is sent or stored.

1. Were you expecting a call today?
2. Do you recognise the specific number (not just the area code)?
3. Have you searched the number online yet?
4. Is it during normal business hours in 821?
5. Are you actively waiting on a business decision (delivery, loan, job, etc.)?

Area codes near 821 (overlay + neighboring)

If a caller ID shows one of these codes, the call is probably still from the South Carolina area or a nearby region. Click any code to see its own page.

Same geography as 821 (overlay codes)

These codes cover the exact same area as 821. A number starting with 864 could literally be your neighbor - overlay codes get assigned when 821's numbers run out.

Neighboring regions (codes next door)

These codes cover regions adjacent to 821. Common for calls from nearby cities and across county lines.

Robocall complaints in area code 821

Live FCC data coming soon. Our automated scraper for FCC consumer-complaint statistics is in build. Once live, this section will show a real monthly trend chart of robocall complaints tied to 821 numbers, refreshed on the FCC's monthly release cadence.

Source will be FCC Consumer Complaint Data.

Recently reported scam numbers in 821

No reports for 821 yet. Be the first - use the “Report a scam call” form below to flag a number you've received. Approved reports appear here alongside FCC-recorded complaints.

How to block 821 spam calls (by carrier)

Getting repeated spam calls from 821 numbers around South Carolina, South Carolina? You can't legitimately block every 821 call without also missing legitimate ones from South Carolina, South Carolina - so the practical fix is to turn on your carrier's free spam filter and register on the national do-not-call list. Step-by-step for each major US carrier below.

AT&T

  1. Download the free AT&T ActiveArmor app (iOS + Android).
  2. Sign in with your wireless number.
  3. Enable Fraud Blocking and Suspected Spam Warning.
  4. To block a specific number, tap the call in your history → Block.

Verizon

  1. Download the free Verizon Call Filter app (iOS + Android).
  2. Sign in with your Verizon account.
  3. Turn on Spam Filter.
  4. To block a specific number: My Verizon → Blocks → Add Number.

T-Mobile

  1. Download the free Scam Shield app (iOS + Android).
  2. Enable Scam Block (blocks known scam calls silently).
  3. Use Scam ID to see “Scam Likely” caller ID on suspicious numbers.
  4. To block a specific number, dial #662# from your device.

All carriers

  1. Register on the FTC's National Do-Not-Call list.
  2. Report unwanted calls to the FCC at fcc.gov/complaints.
  3. On iPhone: Settings → Phone → Silence Unknown Callers.
  4. On Android: Phone app → ⋮ → Settings → Caller ID & spam.

Sources: carrier support pages (AT&T, Verizon, T-Mobile), FCC consumer guides. Free features as of 2026. Every one of these steps costs nothing.

History of the 821 area code

state of South Carolina. The numbering plan area (NPA) comprises the areas of Greenville, Spartanburg, Anderson, and twelve surrounding counties. Other cities in the numbering plan area include Clemson, Gaffney, Greer, and Mauldin.

821 area code FAQ: common questions

What area code is 821?

Area code 821 is a North American Numbering Plan area code that serves Area codes in upstate South Carolina, United States in South Carolina, primarily including South Carolina and surrounding communities. It was activated in 1995.

Where does area code 821 cover?

Area code 821 covers the South Carolina, South Carolina area.

Is 821 a real area code or a scam?

821 is a real, actively-assigned US area code - not itself a scam. However, spammers do use 821 numbers because the code is well-known and appears local to millions of residents. Always verify the specific number, not the area code.

How do I block 821 spam calls?

You cannot legitimately block an entire area code without also blocking legitimate calls from South Carolina. Better options: register on the National Do-Not-Call list, enable your carrier's spam-filter (all major US carriers now offer this free), and report unwanted calls to the FCC at fcc.gov/complaints so they show up in the trend data on this page.

What's the overlay area code for 821?

821 shares coverage with overlay code 864. That means new phone numbers issued in the same geographic area may have either area code, and 10-digit dialing is required.

Sources

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