The Federal Communications Commission (FCC) has granted a total of 297 licenses and call signs in the category of Amateur license in Vacaville, 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 |
|---|---|---|
| KI6NKC | Gaetano, Brian B | 2017-09-29 |
| KI6PEL | Matteson, Donald W | 2019-06-26 |
| KI6PZI | Bunting, Bryan L | 2018-02-20 |
| KI6QYH | JORDAN, DANA R | 2018-04-11 |
| KI6RHB | TALBOT, WANDA M | 2008-06-09 |
| KI6RHC | TALBOT, WILLIAM A | 2008-06-09 |
| KI6SXS | Johnson, Billy | 2018-06-20 |
| KI6URH | Gregory, Clare L | 2018-12-07 |
| KI6WXP | Caudle, Joseph F | 2019-01-30 |
| KI6WXR | Conrad, Shiloh A | 2020-03-30 |
| KI6YRG | ASUNCION, MERIL T | 2009-04-23 |
| KJ4SWW | NIQUETTE, JUSTIN S | 2020-02-25 |
| | ||
| KJ6BIC | Caudle, Denise N | 2019-05-23 |
| KJ6BPL | Thomas Jr, John M | 2019-06-25 |
| KJ6EHY | Andrews, Brian D | 2019-12-17 |
| KJ6HER | Wereley, Andy L | 2010-04-20 |
| KJ6JGO | Leong, Alina | 2020-11-21 |
| KJ6JNK | Tuscher, Matthew A | 2010-07-06 |
| KJ6JPT | LIBOON, MARK C | 2010-07-09 |
| KJ6KTI | Scholz, Travis N | 2010-10-08 |
| KJ6LFQ | EVANS, DAVIS A | 2010-11-02 |
| KJ6MIB | CRAIG, RICHARD L | 2011-01-28 |
| KJ6NPD | Hales, Diana L | 2021-02-02 |
| KJ6NPE | Hales, Lamont B | 2021-02-03 |
| KJ6RWQ | Garay, Frank A | 2021-09-15 |
| KJ6SCC | Bowen, Jerome W | 2011-10-20 |
| KJ6UUG | Abrew, Joseph J | 2022-03-19 |
| KJ6VHH | Hill, Stewart P | 2012-03-30 |
| KJ6VQL | Hunter, Todd A | 2012-04-10 |
| KJ6YWZ | SANCHEZ, JAMIE R | 2012-07-20 |
| KJ6ZOT | Colomb, Taylor D | 2022-11-01 |
| KJ6ZOX | Olson Sr, Carl R | 2012-09-11 |
| KK4XU | VIDAL, JORGE L | 2013-11-08 |
| KK6ADV | Rounds, Matthew A | 2012-10-18 |
| KK6AUG | Corbelli, Christopher J | 2022-09-13 |
| KK6CCE | LA CHIOMA, DAVID J | 2013-01-31 |
| KK6EYE | Graham IV IV, Joseph R | 2023-05-05 |
| KK6FKL | Andrews, Jeffrey R | 2013-07-10 |
| KK6GSK | Moore, Gary H | 2013-09-26 |
| KK6GUA | SPRATT, MATTHEW J | 2013-10-17 |
| KK6HCL | Delpilar, Francisco L | 2013-10-24 |
| KK6IKN | Kalis, Dennis | 2013-12-11 |
| KK6IKP | Farkas, Robin C | 2013-12-11 |
| KK6IKT | Kalinowski, Brandon T | 2013-12-11 |
| KK6KQB | Black, Charles G | 2014-03-19 |
| KK6LPC | Kingsford, Thomas M | 2014-04-24 |
| KK6NGW | Taylor, Carla D | 2014-06-17 |
| KK6NQJ | Schwei, Gregory L | 2014-06-25 |
| KK6NXQ | Schallock, Nicolas W | 2014-07-08 |
| KK6OBJ | Thompson, Karen M | 2014-07-17 |
| KK6ONQ | Fryman, Timothy L | 2014-08-18 |
| KK6UDV | DURAN, JENNIFER A | 2015-05-19 |
| KK6USC | Johnson, Craig L | 2015-06-15 |
| KK6USU | Watson, John L | 2015-06-16 |
| KK6USW | Miller Jr, Reginald L | 2015-06-16 |
| KK6VFM | Miller, Reginald L | 2015-07-08 |
| KK6VXC | Giottonini, Joseph B | 2015-08-17 |
| KK6XA | MC CLURE, WILLIAM J | 2011-10-26 |
| KK6XB | MC CLURE, IRENE H | 2011-10-11 |
| KK6YGS | Nelson, Harold R | 2015-10-27 |
| KK6YSU | Anderson, Cheryl L | 2015-11-12 |
| KK6ZIX | Fowerck, Steven O | 2015-12-11 |
| KK6ZJA | Vizzone, Raymond T | 2015-12-11 |
| KL7SY | FRY, TRENT K | 2012-03-24 |
| KM6AIY | Goudie, Brian E | 2016-02-10 |
| KM6BXZ | HAWKINS IV, ROBERT H | 2016-04-18 |
| KM6BYJ | Koutnik, Dana M | 2016-04-18 |
| KM6CPV | Norris, Darrell D | 2016-05-13 |
| KM6CWM | DUKE, LONNIE A | 2016-05-19 |
| KM6CWP | KOCI, RONALD J | 2016-05-19 |
| KM6CWZ | MC NICHOLS, MATTHEW A | 2016-05-19 |
| KM6ESI | Shobe, Nathan R | 2016-08-23 |
| KM6ETD | Palmer, Dale L | 2016-08-23 |
| KM6FAK | Fiori, Jason W | 2016-09-01 |
| KM6FMQ | ABBOTT, JESSICA C | 2016-09-30 |
| KM6FNJ | LEWIS, CODY R | 2016-09-30 |
| KM6FOD | VAN DYNE, DENNIS G | 2016-09-30 |
| KM6GHS | Lisec, Jackson S | 2016-11-07 |
| KM6GWO | Benjamin, Corey R | 2016-11-30 |
| KM6HPU | Garcia, Christopher T | 2017-01-24 |
| KM6JBV | LYON, HOLLY E | 2017-03-13 |
| KM6JDF | BLEVINS, KYLE A | 2017-03-13 |
| KM6JDT | FULLERTON, RIDGELY K | 2017-03-13 |
| KM6JER | NELSON, DAVID E | 2017-03-14 |
| KM6JUJ | Sancada, Kayla | 2017-04-04 |
| KM6KWP | Inglesby, Kevin F | 2017-06-05 |
| KM6KZI | Zeller, Scott R | 2017-06-07 |
| KM6LDG | Horsman, Aaron M | 2017-06-15 |
| KM6LKF | Haigh, Paul M | 2017-06-29 |
| KM6MMC | Looney, Daniel P | 2017-08-31 |
| KM6NKK | NELSON, MICHAEL E | 2017-10-24 |
| KM6NLN | WEIDEMAN, MICHAEL R | 2017-10-24 |
| KM6PSO | Clark, Gary R | 2018-01-29 |
| KM6QJT | ARONSEN, DEBORAH M | 2018-02-16 |
| KM6QJW | BLAIR, RICHARD A | 2018-02-16 |
| KM6QKX | HORNBROOK JR, WILLIAM S | 2018-02-16 |
| KM6QLG | LARGENT, PHILLIP G | 2018-02-16 |
| KM6QLH | LARSON, ROBERT D | 2018-02-16 |
| KM6RJV | Kramer, Ken | 2018-03-16 |
| KM6RKA | Luzadas Jr, Jesus C | 2018-03-16 |
