The Federal Communications Commission (FCC) has granted a total of 60 licenses and call signs in the category of Vanity license in Columbia, 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 |
|---|---|---|
| AA3S | HART, DOUGLAS M | 2020-01-22 |
| K3BLB | Ballard, Bruce L | 2011-12-23 |
| K3BXI | ENGLISH, JAMES M | 2017-10-31 |
| K3CHE | ALEMAN JR, ROBERTO M | 2011-02-18 |
| K3CMR | REA, CHRISTOPHER M | 2021-06-25 |
| K3CTO | Dean, Charles N | 2019-03-29 |
| K3CUJ | COLUMBIA AMATEUR RADIO ASSN INC | 2017-01-04 |
| K3CXW | JERARDI, THOMAS W | 2017-02-13 |
| K3EET | NUGENT, DANIEL A | 2011-07-01 |
| K3EO | DAVIS, CARLTON D | 2019-02-02 |
| K3HDB | Bartz, Hans-Dieter | 2015-10-27 |
| K3IND | SIMPSON, RICHARD S | 2022-03-25 |
| | ||
| K3JPH | Howard II, James P | 2013-08-09 |
| K3SMB | Burinsky, Steve M | 2020-06-16 |
| K3TTL | Lang, Thomas T | 2018-03-20 |
| K3WCA | Ames, Walter C | 2014-12-02 |
| K3YMI | Smith, James A | 2013-11-13 |
| K5PSU | Rieger, Kurt | 2022-09-07 |
| K9CZE | Stovall, Steven S | 2017-02-04 |
| K9GSD | Stovall, Steven S | 2017-03-14 |
| K9KTB | Moore, Kathryn J | 2015-08-29 |
| KB3QED | CARTO, PATRICIA A | 2017-03-23 |
| KB3RMC | Carto, Robert M | 2007-04-24 |
| KC3ZRB | Burnett, Zachary R | 2018-08-14 |
| KD9QS | Green, Steven R | 2014-07-11 |
| KE5GAU | Stovall, Steven S | 2008-10-07 |
| KF3O | WILSON, JON W | 2020-05-01 |
| KP4PRI | CLEVELAND, ROBERT D | 2020-05-28 |
| KR1FOX | LONG, CARSON M | 2020-03-10 |
| KZ4WRX | Gossett, Brian | 2023-01-28 |
| N3KEM | Frye, Richard G | 2011-05-07 |
| N3NPD | ROSENTHAL, SCOTT B | 2017-01-10 |
| N3YQ | Wilt, Daniel P | 2017-08-31 |
| N6FAK | KHAN, FUAD A | 2019-10-12 |
| W0RKM | Rogers III, John G | 2014-09-05 |
| W1TRT | TITUS, TIMOTHY R | 2018-09-20 |
| W1WER | Young, Matt O | 2021-05-28 |
| W3ACG | Hanson Jr, James M | 2017-06-13 |
| W3CAM | LEVY, STEWART J | 2017-03-29 |
| W3CHB | BROWN, CHARLES H | 2019-07-30 |
| W3DWC | Cohen, David W | 2021-02-09 |
| W3EIC | Solomon, Jonathan E | 2018-04-17 |
| W3HCC | Howard Community College Amateur Radio Club | 2012-05-05 |
| W3ISS | Weiss, Howard R | 2018-11-10 |
| W3JAZ | NELSON, BRIAN M | 2015-10-14 |
| W3JMB | Baird, James M | 2018-07-03 |
| W3NLL | LINDENBERG, NORMAN L | 2008-02-05 |
| W3RMW | WEINSTEIN, REID | 2020-03-27 |
| W3WRP | Peltier, William R | 2012-09-01 |
| W4HEF | HEFFNER, CRAIG J | 2015-09-01 |
| W4MAT | RUNYAN, MATTHEW J | 2021-04-28 |
| W8AAS | TAYLOR, DAVID M | 2016-06-11 |
| W8MWR | Rauen, Mark | 2016-03-11 |
| W9JG | GERARDEN, JAY | 2018-03-06 |
| W9QBJ | VORE, MICHAEL W | 2011-08-12 |
| W9WCE | KUESPERT, DANIEL R | 2014-11-04 |
| WB2HEV | Baird, James M | 2021-07-02 |
| WE3PRM | Takimoto, Shingo | 2019-06-06 |
| WF3Y | GREENLAW, MARK E | 2014-02-04 |
| WK3J | KAUTTER, WILLIAM J | 2013-04-27 |
