The Federal Communications Commission (FCC) has granted a total of 64 licenses and call signs in the category of Amateur license in Mt Airy, 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 |
|---|---|---|
| AB3LO | AIRD, THOMAS H | 2020-06-02 |
| AE3O | PICKRELL, PAXTON E | 2018-05-17 |
| K3VVV | HANSEN, ERNEST W | 2021-01-06 |
| KA3FOR | PEREZ, THOMAS H | 2006-01-31 |
| KA3JLS | WALKER, DAVID G | 2017-04-07 |
| KA3LIE | INGRAM, JOHN G | 2014-01-08 |
| KA3NEK | FRIESEN, MILDRED E | 2004-09-14 |
| KA3PRU | ANDERSON, SUZANNE M | 2013-07-10 |
| KA3SBN | SOWDER, JIMMIE L | 2013-06-27 |
| KA3YXN | PIERI, DAVID J | 2022-04-19 |
| KB3DQY | GOKHALE, ASHISH | 2021-02-23 |
| KB3KEY | Mountcastle, John H | 2013-06-24 |
| | ||
| KB3KYJ | Neeriemer, Shirley A | 2014-02-25 |
| KB3NQQ | King, Daniel C | 2016-04-18 |
| KB3PQ | VAUGHAN, JOHN C | 2015-12-03 |
| KB3RAZ | Nemec JR, Charles J | 2018-03-15 |
| KB3UTE | EACHO, MICHAEL | 2020-08-01 |
| KB3VIX | BROWNING, IVAN J | 2010-11-18 |
| KB3WCH | ROMANCHUK, STEPHAN A | 2021-05-18 |
| KB3YCO | Kolnik, Paul J | 2022-08-13 |
| KB3ZTV | CONNOLLY, JAMES P | 2022-12-13 |
| KC3CQN | Johnson, Robert L | 2014-04-21 |
| KC3CVW | Ware, Patrick M | 2014-05-19 |
| KC3DAR | Seidel, Frederick T | 2014-06-16 |
| KC3ECP | JUGLER, LAUREN M | 2015-01-05 |
| KC3KOI | CAREW JR, HUGH E | 2018-01-08 |
| KC3KYI | WILES, ADAM M | 2018-03-12 |
| KC3LUB | HEALEY, STUART W | 2018-07-09 |
| KC3QLG | GIGANTI, JOHN G | 2020-11-09 |
| KC3REF | FUGINI, THOMAS E | 2021-02-08 |
| KC3TO | FAO, SAMUEL R | 2013-05-23 |
| KC3VAF | BURGE, BRADFORD | 2022-10-22 |
| KC3ZD | BARNES JR, TILDEN F | 2006-01-10 |
| KC7NKN | COLLINGHAM, NATHAN A | 2006-06-20 |
| KE3FL | KARRAS, PHILIP | 2012-12-27 |
| KE3RB | SENGEBUSCH, ERNEST A | 2013-04-03 |
| N2CF | LAZZARO, WILLIAM L | 2019-12-04 |
| N3GDH | NEWCOMER, CARL M | 2017-02-28 |
| N3GHZ | NEWCOMER, ALAN R | 2018-09-25 |
| N3GOH | NEWCOMER, JULIE P | 2017-02-28 |
| N3HXG | SIEGRIST, GEORGE A | 2019-12-24 |
| N3ORU | ANDERSON, GARY W | 2013-04-02 |
| N3PLC | BLACIK, JEAN M | 2013-04-12 |
| N3QAF | MAY, ELIZABETH B | 2013-09-20 |
| N3RH | HAM, ROBERT E | 2018-01-18 |
| N3TFN | LAZZARO, ELAINE P | 2014-06-09 |
| N3TNH | DUAFALA, EDWARD | 2004-08-30 |
| N3VOK | MORONEY, CAROLYN E | 2016-07-14 |
| N3WEU | NANCE III, MARCUM N | 2015-08-01 |
| N3YOW | MITCHELL, STEPHEN C | 2017-03-24 |
| N3ZPC | GARRETT, DAVID A | 2017-04-14 |
| ND3F | SKUTT, BRIAN E | 2022-02-08 |
| W3DBU | BOLLER, CLYDE R | 2005-03-31 |
| W3DCO | MOTT, RICHARD C | 2019-03-13 |
| W3DHZ | STAPF JR, IRVIN F | 2017-08-01 |
| W3HKO | SPANBERGER, LLOYD R | 2018-02-02 |
| W3JP | SPIROS, LUKE A | 2013-09-18 |
| W3MVX | YOUNG, WILLIAM L | 2017-07-25 |
| WA3HLZ | PHILLIPS, THOMAS W | 2017-07-28 |
| WA3KJI | NEWCOMER, MELVIN R | 2014-10-07 |
| WA3MJZ | LUKE, MICHAEL D | 2014-12-13 |
| WA3OSC | SILVER, CRAIG L | 2021-01-07 |
| WA3WKH | MALEY, JOSEPH G | 2014-06-26 |
| WB3FWJ | HANSEN, SHARON M | 2014-05-28 |
