The Federal Communications Commission (FCC) has granted a total of 88 licenses and call signs in the category of Amateur license in Mason City, 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 |
|---|---|---|
| K0ARN | ELSBURY, WILLIAM R | 2016-02-11 |
| K0HZL | ELWOOD, WARD F | 2017-07-22 |
| K0RHN | MILLER, ROBERT E | 2016-11-18 |
| KA0AIP | DJUREN, ELBERT D | 2004-02-27 |
| KA0BQU | TYLER, DAVID W | 2005-08-16 |
| KA0BRN | ELWOOD, JEFFERY A | 2017-10-21 |
| KA0BXJ | SCHARLAU, JOHN C | 2009-05-05 |
| KA0BZO | TYLER, KENNETH D | 2020-01-02 |
| KA0HFA | KUEHN, GENE M | 2016-12-15 |
| KB0QWD | HANSON, WAYNE A | 2014-11-10 |
| KB0RXR | BARCLAY, MICHAEL A | 2015-02-13 |
| KB0UMF | TIEDEMAN, JERRY L | 2015-08-25 |
| | ||
| KC0EJM | HAMPTON, ANDREW W | 2010-11-03 |
| KC0ULS | Naber, Joseph E | 2015-04-16 |
| KD0DJI | MANTERNACH, NEIL J | 2018-03-21 |
| KD0GGA | Hansen, Kyle S | 2019-01-30 |
| KD0JFK | Neuman, Benjamin J | 2019-08-02 |
| KD0JOK | Jensen, Kellie M | 2009-12-02 |
| KD0NSI | IOWA DIGITAL AMATEUR RADIO CLUB | 2011-02-28 |
| KD0TKH | Scharlau, Brent M | 2022-09-17 |
| KE0EVR | Hinton Jr, David C | 2015-06-04 |
| KE0HBR | Boehmer, Joshua Q | 2015-12-28 |
| KE0HZY | Huckins, William R | 2016-03-07 |
| KE0IIT | Sonchi, Arun K | 2016-03-29 |
| KE0IWF | PIPER JR, TIP T | 2016-04-28 |
| KE0KAS | Severson, Colby R | 2016-08-15 |
| KE0LUG | Jensen, Richard L | 2017-01-27 |
| KE0LUH | Madsen, Susen M | 2017-01-27 |
| KE0LUJ | Peck, John F | 2017-01-27 |
| KE0LUK | Piper, Darcy J | 2017-01-27 |
| KE0LUL | Rheingans, George M | 2017-01-27 |
| KE0LUM | Heinz, Jonathan P | 2017-01-27 |
| KE0MCS | Waechter, Casey J | 2017-02-16 |
| KE0NNN | Devine, Colleen M | 2017-05-31 |
| KE0NNO | Peshak, James D | 2017-05-31 |
| KE0POU | Northland Amateur Communications Group | 2017-12-19 |
| KE0QQD | HARDY, WESLEY I | 2018-03-21 |
| KE0QWX | Tass, David A | 2018-03-28 |
| KE0ROP | Olson, David K | 2018-05-04 |
| KE0UHT | Bobolz, Robert L | 2019-01-31 |
| KE0UHY | Harris, Robert R | 2019-01-31 |
| KE0UIC | McMillan, Dennis K | 2019-01-31 |
| KE0YDA | Haag, Rodney | 2019-10-21 |
| KE0YDB | Ryal, Jeremy P | 2019-10-21 |
| KE0YDC | Lunning Jr, Bradley R | 2019-10-21 |
| KE0YDF | Inman, Mitchell D | 2019-10-21 |
| KF0DNO | Lenz, Julie A | 2021-01-27 |
| KF0DNR | Mulkey, Brett J | 2021-01-27 |
| KF0DNT | Sweet, Jason | 2021-01-27 |
| KF0DNU | Wright, Peyton L | 2021-01-27 |
| KF0DNV | Bonjour, Justin B | 2021-01-27 |
| KF0DNW | Hill, Dave | 2021-01-27 |
| KF0DNX | Borrelli, Michael | 2021-01-27 |
| KF0DNZ | Charbonneaux, Christian W | 2021-01-27 |
| KF0FAS | Recinos, Rene | 2021-04-05 |
| KF0GLB | Follmuth, Robert W | 2021-08-16 |
| KF0HTZ | Haas, Richard W | 2022-01-31 |
| KF0HUF | Mulkey, Ryan K | 2022-01-31 |
| KF0HUH | Miller, Todd A | 2022-01-31 |
| KF0HUI | Tyler, Michael K | 2022-01-31 |
| KF0HUL | Zbornik, Raquel A | 2022-01-31 |
| KF0HUM | Zbornik III, Layton R | 2022-01-31 |
| KF0HUP | Urban, Nolan A | 2022-01-31 |
| KF0JOU | Hoffman, Russell D | 2022-06-14 |
| KF0LJZ | Schuessler, Arian D | 2023-02-01 |
| KF0LKO | Syverson, Michael A | 2023-02-01 |
| KF0LKZ | Yokoi, Rosemary B | 2023-02-02 |
| KF0MFR | Stille, Bruce A | 2023-04-11 |
| N0ATZ | Thomas, Randi L | 2014-05-10 |
| N0CBS | MOORE, WILLIAM M | 2017-01-06 |
| N0DOK | STARKEY, JERRY L | 2006-12-01 |
| N0FLT | JOHNSON, JAMES R | 2011-08-20 |
| N0GMB | HEINY, JAMES R | 2005-01-27 |
| N0KNU | WASICEK, DENNIS L | 2010-09-24 |
| N0OKH | RYE, CHRIS D | 2014-10-23 |
| N0OKI | MURPHY, JAMES A | 2022-03-17 |
| N0SBL | KREITZER, SCOTT M | 2022-03-04 |
| N0YVR | BEINKE, MYRON C | 2013-06-25 |
| N2OZB | BEHRMANN, PATRINA M | 2011-10-26 |
| W0BOU | SMITH, RICHARD L | 2015-09-15 |
| W0EYA | Cook, Dave J | 2019-09-16 |
| WA0SPF | JOHNSON, DAVID K | 2015-04-03 |
| WA0YTX | GETTNER, DONALD F | 2013-04-11 |
| WB0YTC | SCHNEIDER, CLETUS J | 2007-11-14 |
| WD0BKL | STONE, ROBERT L | 2017-10-24 |
| WD0BKO | MEYER, DONALD L | 2018-08-23 |
| WD0FJV | WOOD, KURT D | 2016-01-28 |
| WD0GRE | KINSINGER, JACK W | 2008-03-18 |
