The Federal Communications Commission (FCC) has granted a total of 66 licenses and call signs in the category of Amateur license in Marshalltown, Iowa. 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 |
|---|---|---|
| K0GVG | Rundall, John P | 2007-03-28 |
| K0GXC | WILSON, WILLIAM R | 2007-02-08 |
| KA0CNJ | PLAHN, DONALD L | 2004-09-04 |
| KA0HKE | GROMMET, VICKIE L | 2016-03-22 |
| KA0HLC | PLAHN Mrs, JANICE L | 2004-12-17 |
| KA0KIM | WIRKLER, JOHN F | 2015-04-14 |
| KA0QHN | DAVIDSEN, DELOY K | 2007-10-17 |
| KA0SCY | WIRKLER, CINDY J | 2014-05-23 |
| KA0UAF | CLARK, DALLAS H | 2014-11-06 |
| KB0BET | ELLIS, ARTHUR M | 2003-10-10 |
| KB0BZB | CABLE, JOHN H | 2008-09-23 |
| KB0FB | SCAFFERI, CARL G | 2018-07-03 |
| | ||
| KB0MQZ | BAKER, RANDY D | 2014-02-19 |
| KB0WKH | Moore, Roy E | 2006-03-09 |
| KC0CNK | BARNES, JAMES M | 2017-11-06 |
| KC0KMB | Hallam Jr, Thomas A | 2021-02-23 |
| KC0SJF | Lamb, Joel B | 2004-05-11 |
| KC0UJC | Heath, Nicholas E | 2015-03-24 |
| KC0WJW | Boehler, Don J | 2016-01-30 |
| KD0BDV | Loney, Nick J | 2007-07-12 |
| KD0EXD | Rodemeyer, Eric J | 2018-07-28 |
| KD0EXE | Grabenbauer, Alvan E | 2018-05-25 |
| KD0JRY | Bailey, Teri L | 2009-12-17 |
| KD0KFZ | WITTE, NORMAN D | 2010-02-11 |
| KD0OLW | Heath, Noemi S | 2021-03-05 |
| KD0RCA | Wyatt, Michael A | 2012-03-02 |
| KE0AMT | Bramhall, Eric B | 2014-05-14 |
| KE0BKW | Twedt, Dorian F | 2014-08-06 |
| KE0BKX | Swartz, Brian D | 2014-08-06 |
| KE0BS | MEYER, RANDALL A | 2016-01-05 |
| KE0CNA | Collinson, Keaten | 2014-12-12 |
| KE0DLK | Charlier, Mark W | 2015-03-09 |
| KE0GYD | Haia, Zane M | 2015-12-09 |
| KE0ITO | Hoover, David L | 2016-04-25 |
| KE0NQJ | Anderson, Duan E | 2017-06-07 |
| KE0PEV | COBLE, BOBBY L | 2017-11-21 |
| KE0THN | Smoking Hot Radios ARC | 2018-10-16 |
| KE0VPD | Goode, David S | 2019-05-06 |
| KE0VRI | Holmes, Robert L | 2019-05-13 |
| KF0BCD | Coulter-Ledbetter, Galen B | 2020-08-07 |
| KF0IAF | Jablonski, Marek | 2022-02-22 |
| KF0LBR | Lewis, Theodore W | 2022-12-15 |
| KF0LBS | Lewis, Ashley E | 2022-12-15 |
| KF0MGF | Campbell, John S | 2023-04-12 |
| KF0MKC | Smith, Matthew | 2023-04-21 |
| KF0VJ | MOORE, DAVID E | 2011-09-17 |
| KN4JJJ | Vaughn, Nathan A | 2018-02-05 |
| N0CFJ | MEYER, FRED W | 2016-01-11 |
| N0DKG | HUGHES, RONALD E | 2003-11-19 |
| N0KXV | CALKINS, DEAN A | 2019-04-29 |
| N0KXW | WALLACE, JAMES E | 2011-08-08 |
| N0MXK | Krumm, Brian K | 2020-11-13 |
| N7OES | JOHNSON, WADE G | 2022-02-09 |
| W0ASJ | JENKINS, WAYNE M | 2006-02-10 |
| W0DWT | MC LAIN, WILLIAM L | 2007-07-13 |
| W0PRV | BROWN, PRESTON S | 2014-11-24 |
| W4UTK | Morgan Jr, Thomas W | 2016-10-31 |
| WA0GZW | SMITH, DAVID C | 2014-09-19 |
| WA0HFO | SCAFFERI, SAMUEL R | 2016-01-06 |
| WA0MIT | Hinshaw, George W | 2005-06-09 |
| WA0VBM | GRUMSTRUP, BRUCE F | 2014-06-13 |
| WA8ETV | KIRNER, THOMAS W | 2018-07-13 |
| WB0MZL | SOREM, JEFFREY O | 2016-08-23 |
| WB0VXP | CLAPSADDLE II, CHARLES V | 2007-12-04 |
| WD0EDF | Snyder, James R | 2017-08-30 |
| WD0GAP | HUSEBOE, CRAIG M | 2015-04-22 |
