The Federal Communications Commission (FCC) has granted a total of 49 licenses and call signs in the category of Amateur license in Middletown, 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 |
|---|---|---|
| K3WRQ | ROTHENHOEFER, ROBERT J | 2006-08-15 |
| KA3ALB | Handiboe, John J | 2014-11-26 |
| KA3DYL | Caho, Alan R | 2015-02-11 |
| KA3KNT | MALECKI JR, JAMES P | 2017-08-15 |
| KA3YEJ | GOLDEN, RONALD D | 2003-10-22 |
| KA3ZOS | LEATHERMAN, ALAN L | 2022-06-07 |
| KA8FFA | ZIEMBA, GERALD P | 2013-08-24 |
| KB3EOF | CHESNEY III, MURPHY A | 2019-10-22 |
| KB3EQM | Thomas, William E | 2009-12-07 |
| KB3IRP | Holcomb, Patrick S | 2013-08-01 |
| KB3ISK | Caho, Steven | 2022-10-04 |
| KB3ITT | WILLIAMS, KIMBALL R | 2012-09-01 |
| KB3JRF | Taylor, Charles E | 2013-02-22 |
| KB3KLB | VanDelden, Frank | 2003-11-17 |
| KB3MSG | Holcomb, Jennifer L | 2016-01-05 |
| KB3NOB | Caho, Sandra D | 2016-02-24 |
| KB3NOC | Gregory, Matthew R | 2016-04-12 |
| KB3NOE | Gregory, Donna F | 2016-04-14 |
| KB3RCG | Shanton III, John L | 2018-01-24 |
| KB3VVY | Corl, Joshua W | 2011-04-01 |
| KB3VVZ | Kelley, Charles J | 2021-02-16 |
| KB3VWB | Corl, Andrew M | 2021-05-18 |
| KC3BOH | REID, WILLIAM J | 2013-11-13 |
| KC3GNZ | Cotera Berndt, Denzil | 2016-02-25 |
| KC3HXC | JOHNSON, WILLIAM S | 2016-10-04 |
| KC3KAA | Thurman, Jacob A | 2017-10-19 |
| KC3LBX | Harris, Brandon M | 2018-03-28 |
| KC3LHM | Stann Jr, Joseph H | 2018-04-27 |
| KC3LHN | Goodman II, James A | 2018-04-27 |
| KC3LHO | Stann, Joseph H | 2018-04-27 |
| KC3MAU | Klein, Steven J | 2018-09-17 |
| KC3MUO | Palk, Justin M | 2019-01-31 |
| KC3OYQ | Scurto, Gregory S | 2020-02-25 |
| KC3SGG | Prather, Larry J | 2021-06-07 |
| KC3SIF | Berte, Stephen B | 2021-06-22 |
| KC3TAM | Pierce, Cecil W | 2021-11-05 |
| KC3TKO | Badstibner, Kyle D | 2022-01-27 |
| KC3TSR | Goodie, Caleb | 2022-03-21 |
| KC9CEZ | Hayden, Sean E | 2022-07-06 |
| KN3WUF | CORL, LEWIS H | 2016-12-01 |
| N1QBL | SHAW, JAMES E | 2013-06-04 |
| N3IKM | LAGROTTERIA, MATTHEW J | 2020-06-05 |
| N3PPA | SANTANGELO, MICHAEL J | 2023-04-18 |
| N3PRY | STROOP, MARVIN L | 2014-08-26 |
| N3SLS | WOOD, O JAY | 2014-06-12 |
| N4NUN | TELLER, JOHN S | 2016-03-29 |
| W1MTT | HALLEIN, NED E | 2008-05-10 |
| WA4RCP | MALISZEWSKYJ, EUGENE | 2014-05-03 |
| WB3CZC | ENDERS, JAMES R | 2017-06-02 |
