The Federal Communications Commission (FCC) has granted a total of 61 licenses and call signs in the category of Amateur license in Colfax, 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 |
|---|---|---|
| AG6WU | Doty, Brian M | 2015-02-27 |
| AJ6NP | Grier, Stephanie | 2020-02-03 |
| KA6FHE | WEGER, NANCY H | 2003-12-03 |
| KB6PQS | STAGER, VALERIE J | 2017-11-06 |
| KE6JHP | KIRKMAN, STANLEY D | 2014-05-20 |
| KE6KKD | SUMNER, STEVEN W | 2014-06-18 |
| KE6WPW | PALMER, JAMES E | 2005-12-28 |
| KE7TVW | Lacoste, Michael R | 2018-04-10 |
| KE7TVX | Lacoste, Patsy A | 2018-04-10 |
| KE7TVY | Lacoste, Thomas F | 2018-04-10 |
| KF6DLV | MATHER, CHUCK G | 2006-02-14 |
| KF6PRD | CRAWFORD, FRANKLYN A | 2018-03-28 |
| | ||
| KF6VBK | AURELIUS, JOHN K | 2019-02-26 |
| KF7EDG | Antuna, Katelyn | 2019-07-23 |
| KG6EOP | Sumner, Tamara L | 2010-10-13 |
| KG6LIH | Radell, Joyce I | 2012-05-16 |
| KG6UEY | Gustavson, Bill C | 2014-02-26 |
| KG6UIF | Hooker, Arnold M | 2004-03-26 |
| KI6NLD | Hughes, Gregory C | 2017-10-24 |
| KI6PZW | Kodet, Dusty P | 2018-04-11 |
| KI6UOV | Miller, Richard F | 2018-10-04 |
| KI6USI | Duvall, James G | 2008-12-11 |
| KI6WZK | Dorris, Gina M | 2009-03-27 |
| KI6YHD | WORRALL, ROZLYNN M | 2009-04-07 |
| KI6YHE | WORRALL, RUSSELL S | 2009-04-07 |
| KJ6CXJ | Mckinney, Tara J | 2009-10-22 |
| KJ6PLQ | Sparks, Matthew M | 2011-06-09 |
| KJ6QAM | Brewer, Gregory S | 2011-07-08 |
| KJ6SEL | Wurzberger, William C | 2022-11-01 |
| KJ6TFT | Graybill, Amaryllis D | 2011-12-21 |
| KJ6VOY | VANHORN, LYLE B | 2012-04-09 |
| KK6LGF | Spencer, Raymond N | 2014-04-14 |
| KK6NCT | Spencer, Sylvia J | 2014-06-11 |
| KK6OHE | Fenderson, Claremore J | 2014-08-05 |
| KK6QGX | Giuliani, Kellen M | 2014-11-14 |
| KK6RJX | Campbell, James L | 2015-01-20 |
| KK6RQH | O Donnell, Matthew J | 2015-01-30 |
| KK6RXT | Desmarais, Jason M | 2015-02-13 |
| KK6VHH | Besneatte, Joshua A | 2015-07-14 |
| KM6KCO | Quentmeyer, Benjamin W | 2017-04-26 |
| KM6MPR | Leighty, Corey | 2017-09-11 |
| KM6MPS | Leighty, Jennifer | 2017-09-11 |
| KM6RIV | Barrett, Dean N | 2018-03-16 |
| KM6YFP | Larson, Jonathan C | 2018-11-28 |
| KN6HF | Thompson, David G | 2023-03-14 |
| KN6POQ | STAFFORD, ISABELLA K | 2021-07-12 |
| KN6TWP | NEPIL, RICHARD | 2022-05-04 |
| KN6UTK | Turner, Michael L | 2022-06-22 |
| KN6UWN | Farwell, Justin R | 2022-06-29 |
| KN6WYS | HARTMAN, DOMINIC S | 2022-12-20 |
| KN6YFQ | Dickson, Andrew | 2023-01-19 |
| KN6YMX | Zemlicka, Michelle R | 2023-02-11 |
| N6ASG | DE BENEDETTI, TOM C | 2016-02-13 |
| WA7GOB | Miller, Swend L | 2017-02-01 |
| WB6EEQ | BUSHMAN, CHRISTOPHER B | 2012-10-24 |
| WB6HGS | TAYLOR, LENARD E | 2014-08-01 |
| WB6KFL | TAYLOR, MARILYN E | 2008-03-26 |
| WB6ZJB | TAYLOR, MARJORIE A | 2008-02-07 |
| WB7WFT | HARTMAN, CALVIN G | 2014-11-25 |
| WH7DH | BAUER, ROY G | 2016-12-09 |
| WH7QC | BAUER, MICHELE J | 2018-07-19 |
