Every US area code, explainedUnited States · +1
AREA CODE · SOUTH CAROLINA

Area code 821

Area code 821 covers Greenwood, South Carolina. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: South Carolina Major City: Greenwood Eastern Time (ET) Overlay: 821/864
01 / WHERE IT IS

Where is area code 821?

Area code 821 is assigned to Greenwood and the surrounding region in South Carolina. Calls to numbers that start with 821 are routed to this area.

Area code 821 shares its territory with 864. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Laurens CountyGreenwood CountyGreenville CountySpartanburg CountyAnderson CountyCherokee CountyMcCormick CountyOconee CountyPickens County

Line types

  • Mobile 60.61%
  • Landline 39.39%
02 / MAP

Area code 821 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Greenwood

This area code is in the Eastern Time (ET) time zone.

Local timeGreenwood, SC--:--:--

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04 / HOW TO DIAL

How to call Greenwood

WITHIN THE US821 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 821 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 821 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 821 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 821 555 0123
🇦🇺Australia0011 1 821 555 0123
🇯🇵Japan010 1 821 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 821

Share of the number blocks by carrier and line type.

Landline

Sinch
69%
Nuso
8%
Metro by T-Mobile
8%
Wavenation
8%
AT&T
8%

Mobile

AT&T Mobility
85%
Sinch
10%
T-Mobile USA
5%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 821

33 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(821) 200 Mobile Laurens AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 201 Mobile Greenwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 202 Mobile Spartanburg AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 203 Mobile Laurens AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 204 Mobile Greenwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 205 Mobile Laurens AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 206 Mobile Greenwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 207 Landline Greenville NusoNUSO, LLC
(821) 208 Mobile Greenwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA
(821) 209 Mobile Greenwood AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - GA

Showing 10 of 33 prefixes

07 / FAQ

Frequently asked questions about area code 821

Where is area code 821 used?
Area code 821 serves Greenwood and the surrounding area in South Carolina, including Laurens County, Greenwood County, Greenville County, Spartanburg County, Anderson County.
What city is area code 821 from?
The main city of area code 821 is Greenwood, SC.
What time zone is area code 821 in?
Area code 821 is in the Eastern Time (ET) time zone (America/New_York).
Is 821 an overlay area code?
Yes. It shares its territory with 864. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 821 from the United States?
Dial the 10 digits: 821 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 821 number from another country?
Dial your country's exit code (or +), then 1, then 821 and the seven-digit number. From a mobile you can use +1 821 XXX XXXX.
Which carriers use area code 821?
Most landline blocks belong to Sinch and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 821 for landlines, mobiles or both?
Both. About 39.39% of the number blocks are landline, 60.61% mobile.
How do I save a 821 number in WhatsApp or my phone?
Save it in international format: +1 821 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 821?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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