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Area code

Area code 821 — Greenwood, SC

South Carolina · in service since August 19, 2024

Area code 821 covers parts of South Carolina; the place with the most of its prefixes is Greenwood. It is an overlay: 864 serves the same area, so neighbors can have different area codes.

Overlay, same area: 864

Local time in Greenwood

Eastern Time ·

Spam reports from Sep 23 – Oct 22, 2026

Too few reports for a level #412 of 461

6 FTC complaints

Top subject: debt reduction · 4 of 6 robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 821 numbers

Complaints by week

Sep 11 – Oct 22, 2026
821, Sep 11 – Oct 22, 20260123Sep 7 (partial): 0 complaints0Sep 73 days3Sep 140Sep 212Sep 282Oct 52Oct 12Oct 19 (partial): 0 complaints0Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)0
Sep 143
Sep 210
Sep 282
Oct 52
Oct 122
Oct 19 (4 days)0

Compared with all codes

Robocalls
4 of 6
Callers with the same code
1 of 9
Rank by complaints
#412of 461 · bottom quarter
FCC complaints, Oct 2025 – Sep 2026
0

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Calls pretending to be government, businesses, or family and friends2
Dropped call or no message2
Reducing your debt (credit cards, mortgage, student loans)2
Other3

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
South Carolina3
Florida1
Michigan1
Mississippi1
Ohio1

October 2026 (partial) report · most reported

Consumer reports, not verified by the FTC · source

Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).

Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.

Area code 821 location and prefixes

Prefixes assigned5642 in number pools
Exchange areas16Greenwood holds 21%
Counties8Greenwood County, Laurens County, Greenville County, and others
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
GREENWOODGreenwoodGreenwood County12
LAURENSLaurensLaurens County7
GREENVILLEGreenvilleGreenville County4
LAURESRURL——3
SPARTANBGSpartanburgSpartanburg County3
ANDERSONAndersonAnderson County2
SIMPSONVLSimpsonvilleGreenville County2
CLEMSONClemsonspans 2 counties1
GAFFNEYGaffneyCherokee County1
JOANNAJoannaLaurens County1

Plus 6 smaller exchange areas.

Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).

Nearby area codes

Same area (overlay)

Nearest by exchange location

Other codes in South Carolina

NANPA record

Assigned by NANPA
October 4, 2022
Local dialing
10 digits (NANPA: 10D)
NANPA planning letters
PL-606

Source: NANPA, NPA database of Oct 24, 2026.

Is 821 running out of numbers?

Forecast exhaust (April 2026)3Q 2054for 821/864 · in about 28 years

Previous forecast (October 2025): 2053, moved later by 1 year.

Forecast exhaust year by edition

82120202035205020652024Oct 20232024Apr 20242056Oct 20242052Apr 20252053Oct 20252054Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 821 prefixes

The five largest of 11 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
New Cingular Wireless PCS, LLC24 43%
14 25%
Onvoy, LLC9 16%
Onvoy Spectrum, LLC2 4%
Leap Telecom, LLC1 2%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 821

What area code is 821?

A South Carolina area code, in service since August 19, 2024.

Where is 821 area code, and what time zone is it in?

Greenwood, SC; Eastern Time.

Why am I getting spam calls from 821?

6 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).

Will 821 get a new area code?

NANPA forecasts exhaust in 3Q 2054; no relief planning listed.