| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K4BUL | GREEN SR, CARL A | COLUMBIA | SC | G | 06/07/2005 | 06/07/2015 | Expired | |
| K4SCG | South Carolina State Guard Amateur Radio Club | Columbia | SC | KI4HWY | 10/18/2014 | 12/21/2024 | Active | |
| K4UHY | Lloyd, Frank H | Columbia | SC | T | KO4RIX | 07/09/2021 | 07/09/2031 | Active |
| K7FLH | DONAWORTH III, JACK M | Columbia | SC | G | KD7DSM | 12/13/2017 | 02/28/2028 | Active |
| K9USV | MULLEN, ROBERT L | Columbia | SC | T | KA9IAZ | 01/20/2018 | 02/12/2028 | Active |
| KE4ABI | FAIRCLOTH, OLETIA C | Columbia | SC | N | 06/05/2013 | 06/05/2023 | Active | |
| KG4QWP | Lundy, Michael S | Columbia | SC | G | 12/26/2001 | 12/26/2011 | Cancelled | |
| KG4UUH | Crow, David B | Columbia | SC | T | 08/21/2002 | 08/21/2012 | Expired | |
| KG4YKD | Valentin III, Arturo | Columbia | SC | T | 02/12/2003 | 02/12/2013 | Cancelled | |
| KI4HRS | BAUKNIGHT, TREVOR Z | COLUMBIA | SC | T | 11/17/2004 | 11/17/2014 | Expired | |
| KI4LKI | Klein, Lawrence E | Columbia | SC | E | 05/22/2015 | 08/16/2025 | Active | |
| KI4YMM | ZORNES, SEAN E | Columbia | SC | T | 05/24/2017 | 08/06/2027 | Active | |
| KJ4HIT | MC FARLAND, ERIC S | COLUMBIA | SC | T | 10/20/2008 | 10/20/2018 | Expired | |
| KJ4PQV | Marco, Jenna L | COLUMBIA | SC | T | 06/25/2021 | 06/25/2031 | Active | |
| KJ4ZWZ | MILTON, GREG D | COLUMBIA | SC | G | 01/05/2021 | 01/20/2031 | Active | |
| KK4DGM | BENESH, SUSAN M | COLUMBIA | SC | G | 07/29/2021 | 07/29/2031 | Active | |
| KK4DGN | Donovan, Colleen M | Columbia | SC | T | 07/22/2011 | 07/22/2021 | Active | |
| KM4MYC | MERKEL, MATTHEW D | COLUMBIA | SC | T | 08/27/2015 | 08/27/2025 | Active | |
| KM4UOH | HIGGS II, THOMAS R | COLUMBIA | SC | T | 06/13/2016 | 06/13/2026 | Active | |
| KO4CWN | MULLINS, NATHAN T | COLUMBIA | SC | T | 03/23/2020 | 03/23/2030 | Active | |
| KO4GHC | Dill, Theron J | Columbia | SC | T | 08/14/2020 | 08/14/2030 | Active | |
| KO4JQK | Hildreth, Ron | Columbia | SC | G | 11/20/2020 | 11/20/2030 | Cancelled | |
| KO4RIX | Lloyd, Frank H | Columbia | SC | T | 06/21/2021 | 06/21/2031 | Cancelled | |
| N4DLM | Smarr Jr, Roy G | Columbia | SC | E | 03/04/2008 | 05/04/2018 | Expired | |
| N4LZW | OLIVER, HANCE H | Columbia | SC | T | 01/22/2015 | 03/06/2025 | Active | |
| W4AVT | Valentin III, Arturo | Columbia | SC | T | KG4YKD | 03/14/2003 | 03/14/2013 | Expired |
| W4HHS | HEATHWOOD HALL SCHOOL | COLUMBIA | SC | KF4LWF | 12/01/1998 | 12/01/2008 | Cancelled | |
| W4IBX | Hildreth, Ron | Columbia | SC | G | KO4JQK | 12/11/2020 | 12/11/2030 | Active |
| W4TTH | LOWMAN, BRYSON L | COLUMBIA | SC | A | 01/12/2006 | 04/11/2016 | Expired | |
| W9FRE | TANCIG, DAVID R | Columbia | SC | E | AB9DB | 11/23/2013 | 11/23/2023 | Active |
| WC4AAG | S C EMERGENCY PREPAREDNESS DIV | COLUMBIA | SC | 10/26/1995 | 10/26/2005 | Expired |