The Federal Communications Commission (FCC) has granted a total of 263 licenses and call signs in the category of Amateur license in Ontario, California. 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 |
|---|---|---|
| AA6US | FORBES, LARRY R | 2013-06-26 |
| AB6OS | SMITH, MICHAEL D | 2022-07-12 |
| AG6KS | DAVIDSON, JAMES L | 2011-07-19 |
| AG6SH | Oh, Mark C | 2021-08-27 |
| AJ6DH | McKoy, Robert P | 2018-04-05 |
| AJ6DM | Bode, Edward W | 2018-05-23 |
| AJ6RB | Yoo, Alan K | 2020-11-25 |
| K0ISK | FOX, DONALD R | 2010-06-17 |
| K6DYG | MORGAN II, JOHN C | 2014-07-01 |
| K6PHB | LOGAN, JOHN N | 2017-12-27 |
| KA6HRC | Carmona, Jose T | 2013-09-16 |
| KA6OTD | BERRYMAN, EDWARD B | 2005-01-19 |
| | ||
| KA6RAX | KOSTECKY, STEVEN L | 2016-11-18 |
| KA6RKW | SCOTT, TIMOTHY L | 2022-03-09 |
| KA6WKV | PATOLINA, CARL | 2020-05-12 |
| KA6ZVJ | SHAW, GUY N | 2018-04-27 |
| KB3NSI | Murray, Heather M | 2006-06-16 |
| KB6GOV | ROBINSON, PAUL R | 2006-01-30 |
| KB6MOW | TINSLEY, JOSEPH E | 2019-05-23 |
| KB6NXX | HYATT, JACK O | 2006-02-14 |
| KB6PGL | SOTO, DAVID J | 2019-03-05 |
| KB6PSB | SHAFFER JR, DENNIS R | 2017-08-22 |
| KB6RAH | HOLLINGER JR, JOHNSON L | 2007-01-04 |
| KB6WIY | SOTO MRS, CYNTHIA A | 2019-04-20 |
| KC6KEE | REGALBUTO, SANTO A | 2011-01-03 |
| KC6MYY | COGGINS, SUSAN L | 2010-07-30 |
| KC6NJJ | LANIER, RICHARD B | 2020-10-30 |
| KC6PCL | MALABY, LINDA L | 2014-08-14 |
| KC6QWS | WAGNER, JEREMY J | 2021-01-27 |
| KC6WAH | HARTLESS, JOSEPH G | 2012-09-27 |
| KC6WCU | TULL, RONALD D | 2021-04-06 |
| KC6YVS | GIBSON, JOHN H | 2021-04-28 |
| KD6CRQ | GUTIERREZ, FERNANDO | 2004-07-27 |
| KD6CSM | LUND, DINAH J | 2014-04-07 |
| KD6CUK | ADAMS, WARREN C | 2011-10-19 |
| KD6IBK | LOPEZ, AGUSTIN L | 2022-04-15 |
| KD6MID | SISON, FERNANDO C | 2022-08-05 |
| KD6OCH | MANCILLA, SERGIO | 2012-08-15 |
| KD6OGB | CLEVELAND, GARY W | 2012-07-30 |
| KD6QLK | HARPMAN, Samantha A | 2013-09-10 |
| KD6RAW | VELASQUEZ, OSCAR V | 2012-11-08 |
| KD6UMV | FRANCIS, MARVIN A | 2015-01-27 |
| KD6YET | UVA JR, HARRY S | 2005-03-25 |
| KD6YPD | CASE, JARED R | 2013-09-04 |
| KD6ZWV | AVALOS, ARNOLD M | 2014-08-14 |
| KD7HJE | Marino Sr, Richard F | 2019-10-10 |
| KE6BNB | AVALOS, HANNAH M | 2014-08-14 |
| KE6BON | CHIN, DUNCAN | 2003-10-28 |
| KE6CAP | HOYLE, RONALD E | 2013-11-30 |
| KE6FKN | JOHNSON, MURRAY A | 2014-01-15 |
| KE6GNG | GARCIA SR, ARTHUR | 2014-01-03 |
| KE6IIS | ABBOTT, RODNEY P | 2014-06-18 |
| KE6MIT | MILLS, JOHN T | 2014-07-25 |
| KE6NAT | RODARTE, GUADALUPE N | 2004-07-29 |
| KE6OVE | CASTRO, STEPHEN | 2015-06-19 |
| KE6RKH | REGALBUTO, JANE W | 2014-12-02 |
| KE6RKJ | KEKEDAKIS, LAURAIN | 2005-02-18 |
| KE6TFB | PALINKAS, JOHN | 2015-02-03 |
| KE6TVA | WENGER, ERIK N | 2015-04-25 |
| KE6VWK | BIXENMAN, WILLIAM L | 2005-07-12 |
| KE6YFX | LINDSTROM, KEVIN L | 2005-06-06 |
| KF6DLB | MEIER, DANIEL T | 2016-03-29 |
| KF6FQZ | HERZAN, HERBERT L | 2006-05-30 |
| KF6JUW | CLEVELAND, MISTI J | 2017-01-10 |
| KF6KVR | Spence, Robert | 2017-07-14 |
| KF6MKX | Pankratz, Steven L | 2007-09-27 |
| KF6NMW | MALINOWSKY, WALTER | 2019-03-05 |
| KF6PJD | CHAN, LARRY G | 2007-12-05 |
| KF6QIT | LEUSCHNER, HEINZ J | 2008-03-20 |
| KF6RDU | REED, RICHARD H | 2008-02-26 |
| KF6RVJ | DUNN, SEAN J | 2018-12-17 |
| KF6SGS | CURRY, BYRON R | 2020-02-12 |
| KF6YCK | KOSZYK, LEE DEAN | 2020-07-07 |
| KF6ZAF | Holmes, Craig N | 2019-09-04 |
| KG6AUD | Brock, John D | 2010-04-19 |
| KG6AWY | Brock, Patricia D | 2010-04-30 |
| KG6BIH | James, Donn R | 2010-07-08 |
| KG6CQW | Leewood, Justin R | 2021-01-14 |
| KG6CYT | BRUYN, DONALD R | 2020-08-06 |
| KG6DWX | HYDANUS, STEPHEN B | 2022-03-15 |
| KG6HKX | BATES, FREDERICK A | 2011-07-13 |
| KG6JOA | Degen, Brian W | 2011-11-15 |
| KG6KTA | TABORA, SAMIH J | 2012-04-26 |
| KG6LEV | Harris, Gentry | 2012-04-18 |
| KG6MTZ | Garza, Albino | 2022-07-13 |
| KG6RVP | ROMAN, GABRIEL | 2013-05-22 |
| KG6TQO | Wilson, Amie M | 2004-01-28 |
| KG6YGO | Dolson, Linda D | 2005-02-04 |
| KG6YGP | Williams, Robert A | 2005-02-04 |
| KI6AMK | Argueta Sr, Christian A | 2016-11-04 |
| KI6BGZ | Lan, Austin E | 2005-10-31 |
| KI6BID | Buchanan, Michael R | 2015-10-21 |
| KI6BXY | Meier, Jeffrey S | 2006-01-04 |
| KI6BYB | Davenport Mr., William J | 2015-12-01 |
| KI6DUQ | BENFIELD, CHRISTINA S | 2006-05-08 |
| KI6FGH | Owens, Michael | 2006-08-29 |
| KI6FGJ | Taylor, Tuoi | 2006-08-29 |
| KI6GGS | Wubker, John E | 2006-10-31 |
| KI6GGT | Wubker, Charles L | 2006-10-31 |
| KI6HPZ | Ramos Jr, Ralph E | 2007-01-30 |
