The Federal Communications Commission (FCC) has granted a total of 59 licenses and call signs in the category of Amateur license in Ottumwa, 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 |
|---|---|---|
| K0JGH | KESSELRING, GLEN P | 2014-01-22 |
| K0OBW | GABRIEL, B GENE | 2004-03-16 |
| KA0AAS | DAVIS, ROBERT L | 2016-09-13 |
| KA0ENY | HEARTLEY, FRANK E | 2012-01-11 |
| KA0GRW | LANGGIN, RONALD N | 2016-10-22 |
| KA0KRN | COPELAND, DAVID I | 2015-11-23 |
| KA0LHP | DAVIS, ELIZABETH D | 2016-09-13 |
| KA0SBB | LA POINT, HOWARD E | 2004-02-10 |
| KB0ASG | BAIN JR, LELAND M | 2007-03-19 |
| KB0FRA | ATWELL, KEVIN L | 2020-11-07 |
| KB0MGI | BURGER III, JOHN D | 2006-03-16 |
| KB0VJX | MULDOON, HEATHER S | 2006-08-01 |
| | ||
| KB0YVK | RACHFORD, HARVEY L | 2017-04-21 |
| KB9LMP | MC KEARNEY, SCOTT H | 2015-07-09 |
| KB9RHF | HULL, DOUG E | 2017-06-08 |
| KC0DXM | LOWE, KEVIN R | 2008-06-03 |
| KC0SFM | Richards, Clarence A | 2004-04-27 |
| KD0AAP | PEACE, LLOYD J | 2007-03-22 |
| KD0HGX | BARWICK, CHARLES S | 2019-03-07 |
| KD0HOK | LOVING SR, JASON R | 2020-05-27 |
| KD0QQX | DAYTON, SHARON K | 2012-02-09 |
| KD0TCJ | Faybik, David C | 2022-08-17 |
| KD0YVR | Kelderman, Hunter T | 2014-01-24 |
| KD0YVS | Larkin, Daniel | 2014-01-24 |
| KE0BTE | PIEPER, MARK A | 2014-09-23 |
| KE0BX | MULDOON, MICHAEL G | 2015-11-25 |
| KE0DRB | Ross, Dustin J | 2015-03-24 |
| KE0DRC | Millage, Riley D | 2015-03-24 |
| KE0IIZ | BURCH, MATTHEW A | 2016-03-30 |
| KF0EZA | VEATCH, KYLE R | 2021-04-01 |
| KF0IWJ | ORONA, MICHAEL | 2022-04-15 |
| KF0KEY | Ballard, Drew | 2022-08-26 |
| KI0MP | Thompson, Larry R | 2017-05-11 |
| KJ6CQW | Carr, John J | 2019-10-08 |
| N0ANN | LUKE, LEWIS F | 2018-12-18 |
| N0HBP | GOODEN, TERRY J | 2015-12-29 |
| N0HSC | GRAY, MERRILL D | 2016-09-13 |
| N0ICF | KESSELRING, PAMELA J | 2017-07-15 |
| N0IFD | GOODEN, SANDRA J | 2006-11-29 |
| N0IJP | PENNE, MARY E | 2013-03-23 |
| N0JPZ | SUNDQUIST, GENE D | 2020-01-28 |
| N0QZW | EDGINGTON, LARRY G | 2011-12-08 |
| N0SKF | PROCTOR, DUSTY L | 2022-03-16 |
| N0SM | MILLER, H STEPHEN | 2015-01-23 |
| N0XOA | BREEDING, JOHN R | 2013-04-02 |
| N5JVA | BYRUM, TONY E | 2017-05-03 |
| N9XRN | HAYDIN SR, JOHN P | 2014-10-08 |
| NR0E | EAKINS, JOHN F | 2016-11-03 |
| WA0ITP | Fletcher, Terry R | 2018-02-02 |
| WA0PIO | VIVIAN, STERLING C | 2006-05-04 |
| WB0BOJ | MESSER SR, MELVIN M | 2016-06-14 |
| WB0FGB | Wright, Edward E | 2015-05-07 |
| WB0JSG | BURGER, JOHN W | 2005-06-22 |
| WB0KZQ | BEELER, RANDI E | 2018-05-22 |
| WB0VYV | TRUITT, DAVID L | 2018-07-31 |
| WB0WZG | WHEELING JR, CHARLES S | 2004-06-10 |
| WB0YXJ | KURKA, STEVEN T | 2010-04-12 |
| WD0CQJ | BAKER, DAVID M | 2017-06-13 |
| WD0DCM | BAKER, LYNNETTE S | 2017-06-13 |
