821 area code
Greenville area, Eastern Time.Area code 821 covers Greenville, Greenwood, Laurens and 63 more places in South Carolina, on Eastern Time. 864 covers the same area.
Right now in Greenville
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 821 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 821 has 66. Each one's share is how many 821 numbers start there. Its biggest metro area is Greenville-Anderson-Greer, SC.
- Greenwood28%
- Laurens15%
- Greenville10%
- Spartanburg8%
- Laurens Rural8%
- Anderson5%
- Seneca3%
- Clemson3%
- Gaffney3%
- Simpsonville3%
- Piedmont3%
- Williamston3%
Also: Joanna, McCormick, Pacolet, Landrum, Greer, Easley, Union, Lyman, Blacksburg, Central, Clinton, Fountain Inn + 42 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call an 821 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 821 number to them, since you can't tell a work line from a personal cell.
What applies to 821Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
821 and 864
821 went into service on August 19, 2024. 821 and 864 cover the same area, so new numbers can get either code and neighbors can have different area codes. 821 holds 5% of the area's exchanges; 864 holds the most. Local calls take all 10 digits.
- 1995864 overlay
- 2024821 starts
Source: NANPA area code database
Other South Carolina area codes
All South Carolina area codesCalling a list of 821 numbers?
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821 area code FAQ
What area code is 821?
821 is a South Carolina area code for Greenville, Greenwood, Laurens, Spartanburg and 62 more places.
What time zone is the 821 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 864 the same as 821?
Same area, different code. 821 and 864 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 821 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 821 area code start?
On August 19, 2024.
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