The Federal Communications Commission (FCC) has granted a total of 159 licenses and call signs in the category of Amateur license in Sumter, South Carolina. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KM4WUZ | HORTON, JASON M | 2016-09-22 |
| KM4WWI | Bridges, Cleston D | 2016-09-22 |
| KM4YKG | Knoblock, Bruce D | 2016-10-19 |
| KN4AXW | Craven, Stephen M | 2017-02-15 |
| KN4CBD | SMITHEY, CODY D | 2017-03-23 |
| KN4GVO | Panchai, Supatchai | 2017-10-23 |
| KN4GVP | Tongsiri, Yuttasat | 2017-10-23 |
| KN4GVQ | Yasud, Montri | 2017-10-23 |
| KN4IPL | HEBELER, DANIEL L | 2017-12-20 |
| KN4IXD | GARRETT, GARY R | 2018-01-17 |
| KN4NFS | ULLREY, JOHN D | 2018-06-18 |
| KN4RHE | Harrington Jr, Cecil T | 2018-12-19 |
| | ||
| KN4TLW | LANGFORD, TIMOTHY A | 2019-03-22 |
| KN4TLX | BERNSHOUSE, WILLIAN D | 2019-03-22 |
| KN4TLY | JUNE, JONATHAN W | 2019-03-22 |
| KO4DEX | Galiano III, Robert A | 2020-04-29 |
| KO4FFZ | Ferguson, Chase M | 2020-07-13 |
| KO4HSI | HENDRICKSON, LEE | 2020-09-23 |
| KO4HXZ | ROSENSTEEL, PAUL | 2020-09-29 |
| KO4LMR | Flury, Robert M | 2021-01-26 |
| KO4MTO | Banar, Jason M | 2021-02-18 |
| KO4PKL | James, Walker C | 2021-04-15 |
| KO4PKN | Marks, Richard S | 2021-04-15 |
| KO4RUO | Olszowski, Pawel | 2021-07-12 |
| KO4SRV | Dick, Gerard J | 2021-08-19 |
| KO4VS | HICKS JR, WILLIAM A | 2012-02-13 |
| KQ4CQR | Geddings, Zachary S | 2022-08-18 |
| KQ4GWD | McDaniel, Philip A | 2023-03-14 |
| KX4DP | Craven, Stephen M | 2017-02-15 |
| KY4EQ | Wilder Jr, Arthur H | 2021-02-18 |
| N1TYR | BEDARD, GERALDINE L | 2004-10-07 |
| N4HTX | WATKINS, MICHAEL A | 2015-07-07 |
| N4HUV | MOONEYHAM, JOHN K | 2018-08-31 |
| N4IGN | LYNN, DENNIS M | 2017-06-10 |
| N4IVU | MATHIS JR, DONALD M | 2018-04-27 |
| N4JCN | Jones, Victor C | 2018-08-11 |
| N4JUM | GRIFFIN, ETNA C | 2016-06-01 |
| N4KGF | LYNN, LAURIE A | 2014-05-24 |
| N4KSG | MILLER, JOHN P | 2015-12-14 |
| N4NQD | DENNY, RICHARD L | 2020-10-06 |
| N4NYE | WATKINS, ANN T | 2005-11-09 |
| N4UZM | LOGAN, PATRICIA P | 2019-01-30 |
| N4VBV | MAJORITY, MIKE J | 2019-02-28 |
| N4VCG | MATHIS, IMOGENE M | 2018-07-25 |
| N4VPE | BROADWAY, MARTIN L | 2011-07-19 |
| N4VWF | WELCH, DANNY C | 2012-07-25 |
| N4XMR | CLARK, ROGER D | 2019-10-08 |
| N7WEJ | Secrest, Steven R | 2022-02-01 |
| W2DRL | DANNALS, FRANK | 2022-06-07 |
| W4PDN | WINDER, JOHN K | 2004-02-23 |
| W4VFR | MILLER, ROBERT E | 2015-12-01 |
| W4WXK | JENKINSON, ERNEST R | 2005-11-01 |
| WA4JFZ | ALFORD, RAYMOND T | 2007-07-12 |
| WA4QOX | BOWEN, DONALD L | 2016-06-15 |
| WA4RKV | LEWIS JR, JOHN B | 2017-09-09 |
| WB4BDH | BOWMAN, LOYD P | 2004-06-30 |
| WB4BYI | BULTMAN, CHARLES K | 2012-05-16 |
| WB4QOV | WINDER, ERIC L | 2016-11-05 |
| WB4QOW | WINDER, HENRY P | 2014-12-09 |
