The Federal Communications Commission (FCC) has granted a total of 49 licenses and call signs in the category of Amateur license in La Plata, Maryland. 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 |
|---|---|---|
| AA3DQ | NALLEY, FRANCIS W | 2013-01-04 |
| AB3UO | Barnett, Ralph A | 2021-07-20 |
| K3DRJ | HARDING SR, JAMES E | 2020-06-10 |
| KB3GHI | Flick, Sharon S | 2021-01-09 |
| KB3HNP | Boswell, Joseph L | 2012-02-04 |
| KB3RIB | MILLER, ALWIN M | 2018-04-19 |
| KB3UJJ | Seldon, Joseph H | 2010-04-22 |
| KB3VVP | DACUMOS, KENRICK M | 2011-03-30 |
| KB3WJO | Sheriff Jr, James W | 2011-08-17 |
| KB3WJU | Valcarcel, Dario | 2011-08-17 |
| KB3YXS | NEEDHAM III, PAUL B | 2012-06-29 |
| KB6IC | MC INTYRE, LEWIS F | 2021-03-01 |
| KC3EIY | Venincasa, Terry L | 2015-02-18 |
| KC3GSJ | McCrobie II, Thomas S | 2016-03-16 |
| KC3HDT | Spears, Mark A | 2016-05-18 |
| KC3IHJ | Welcome MWR ARC | 2016-12-09 |
| KC3JFY | Johnson, Gregory W | 2017-05-17 |
| KC3MEL | Reeves, Joseph A | 2018-10-09 |
| KC3NWI | Swallie, Eric W | 2019-08-05 |
| KC3OUD | LUNDEGARD, GARRETT N | 2020-01-30 |
| KC3PPQ | Peterson, Christopher D | 2020-07-13 |
| KC3QHM | Settle Jr, Ronald L | 2020-10-21 |
| KC3QZW | Donnelly, Erich A | 2021-01-20 |
| KC3RAN | Lockhart II, Calvin | 2021-01-25 |
| KC3SBO | Brentwood, Aaron D | 2021-05-10 |
| KC3SCT | Saunders, Mark E | 2021-05-14 |
| KC3SRG | Lockhart, Christin K | 2021-09-07 |
| KC3TXK | Eisenbraun, Gary J | 2022-04-11 |
| KC3VVE | MILLER, ERIC J | 2023-03-29 |
| KC4SO | KING, KEVIN M | 2017-08-25 |
| KN4NXT | McMakin IV, John F | 2018-07-18 |
| KV3Y | REED, JAMES R | 2015-01-22 |
| N0LJZ | MC INTYRE, KAREN D | 2021-09-13 |
| N3CYK | MILLER, ELEANOR A | 2012-02-16 |
| N3ILH | GEISWEIDT, DALE R | 2020-05-19 |
| N3MKQ | Muth, Michael D | 2012-03-13 |
| N3QBA | RADCLIFF, GREGORY L | 2013-07-24 |
| N3TLA | STANCLIFF III, RICHARD H | 2014-07-11 |
| N3UIL | MC GINNIS, THOMAS L | 2014-12-13 |
| N3YWZ | Flick, Darryl L | 2017-01-05 |
| N3ZUW | BOUGHER, MARK D | 2007-06-27 |
| W3HMJ | SOURIS JR, GUS S | 2009-08-26 |
| W3IAE | THOMASON, JOSEPH F | 2016-08-23 |
| W3ICT | PETROFF JR, MERLIN O | 2017-10-05 |
| W3PRH | HOWARD, DEAN D | 2013-07-10 |
| WA3VDV | GROEGER, WALTER J | 2018-03-12 |
| WA4WFJ | ALLEY, ROBERT D | 2008-11-13 |
| WB3CBW | KISSEL, ROBERT P | 2012-11-27 |
| WB3DMW | MARSHALL, CECIL | 2010-04-08 |
