Area code 821
South Carolina, United States · 42 prefixes · 16 exchanges · 10 carriers
Largest exchanges
- Greenwood12
- Laurens7
- Greenville4
- Spartanbg3
- Lauresrurl3
- Anderson2
- Simpsonvl2
- Piedmont1
- Seneca1
- Landrum1
Largest carriers
- New Cingular Wireless Pcs, LLC - Ga24
- Onvoy, LLC - Sc9
- Onvoy Spectrum, LLC2
- Nuso, LLC1
- Metropcs, Inc.1
- Suncom dba T-mobile USA1
- Wavenation, LLC1
- Leap Telecom, LLC1
- U.s. Telepacific Corp. dba Tpx Communications1
- Cellco Partnership dba Verizon Wireless - Sc1
Most reported 821 numbers
No visitor reports yet in this area code.