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 |
|---|---|---|
| KM6QCE | Kelzenberg, Michael D | 2018-02-06 |
| KM6RXE | MC KOY, ROBERT P | 2018-04-05 |
| KM6RZU | Lopez Jr, Mario T | 2018-04-11 |
| KM6TVQ | Rodriguez, Melinda | 2018-06-08 |
| KM6VVX | Moreno, Alfredo R | 2018-09-26 |
| KM6WYX | GONZALEZ, DANIEL | 2018-11-16 |
| KM6YIK | Feinner, Michael B | 2018-12-03 |
| KM6YIQ | Lahoy, Alvin | 2018-12-03 |
| KM6ZXY | ARCILLA, ARIEL | 2019-02-20 |
| KN6AXD | Roehling, Joshua W | 2019-04-02 |
| KN6AYY | Couch, Alan D | 2019-04-05 |
| KN6CLS | SCIRA INC | 2019-06-10 |
| | ||
| KN6CLT | SCIRA INC | 2019-06-10 |
| KN6CLU | SCIRA INC | 2019-06-10 |
| KN6EEO | Arellano, Maria A | 2019-09-10 |
| KN6FNE | Corletto, Mario E | 2019-11-08 |
| KN6HHT | Cleveland, Charles G | 2020-02-04 |
| KN6HHV | Harwick, Michele R | 2020-02-04 |
| KN6HHW | Harwick, Michael A | 2020-02-04 |
| KN6HVT | MUNOZ, THOMAS L | 2020-02-25 |
| KN6IVS | Morales, Bruno | 2020-05-18 |
| KN6JQK | Mierau, Paul D | 2020-07-01 |
| KN6KUC | Carlone, Michael A | 2020-09-14 |
| KN6KUO | STRITZEL, STEVEN C | 2020-09-14 |
| KN6LYX | Harwick, Mark J | 2020-11-02 |
| KN6MIR | Barrera, Leo | 2020-11-30 |
| KN6MLB | Pascual, Nathaniel M | 2020-12-02 |
| KN6MZB | ARROYO, ANDREW P | 2021-01-21 |
| KN6OFK | RUIZ AYALA, WILLIAM | 2021-04-02 |
| KN6OFL | PINEDA, JAIME | 2021-04-02 |
| KN6PAZ | Chancey, Joseph J | 2021-05-26 |
| KN6PBX | Pili, Gerald | 2021-06-01 |
| KN6PSE | CEYLAN, OSMAN | 2021-07-20 |
| KN6UDV | Purificacion, Raul M | 2022-05-13 |
| KN6UUZ | Pickett, Timothy J | 2022-06-25 |
| KN6VSE | Milliken, Steven H | 2022-09-08 |
| KN6VVB | WILLIAMS, ROBERT J | 2022-09-19 |
| KN6WUO | VERRILL, CHARLES E | 2022-12-07 |
| KN6WVV | Hunter, Kahlyvia R | 2022-12-13 |
| KN6YPS | Zempo, Mizuho C | 2023-02-23 |
| KN6YTC | Lott, James M | 2023-03-07 |
| KN6ZDU | Marrs, Eric L | 2023-03-30 |
| KN6ZNK | Hyland, James | 2023-04-27 |
| KO6BI | RITTENHOUSE, SCOTT M | 2014-02-19 |
| N6ATT | WODRICH, EDWARD H | 2016-03-08 |
| N6CFZ | JONES JR, JOSEPH N | 2014-03-06 |
| N6DBC | NARANJO, RAUL R | 2016-10-25 |
| N6MCO | ROBINSON, DEBRA J | 2006-01-30 |
| N6NSD | BENFIELD, LARRY A | 2016-06-14 |
| N6QBJ | ONTIVEROS, JEROME L | 2018-07-19 |
| W6LKI | DANIELS, GORDON L | 2006-06-02 |
| W6OPN | VASQUEZ, HENRY A | 2007-05-09 |
| WA6DTH | GREGORY, WILLIAM I | 2006-05-03 |
| WA6DTQ | ARMENDAREZ, LUIZ E | 2018-06-20 |
| WA6OLS | WESTLUND, MARVIN D | 2014-01-08 |
| WA6TBH | BRODKIN, ROBERT J | 2021-05-29 |
| WA6ZEF | WALSTON SR, KEN D | 2015-11-23 |
| WB6HAV | SCHWARTZ, LELAND P | 2004-09-22 |
| WB6MRS | ARTAL, JOHN F | 2012-10-13 |
| WB6WTG | WILSON, RAMONA D | 2018-08-22 |
| WB9WWQ | BUSTO, STEVEN B | 2016-06-24 |
| WD6DXM | Crifasi, Charles A | 2019-04-19 |
| WD6EHO | BIGGS, WALTER E | 2007-01-29 |
