The Federal Communications Commission (FCC) has granted a total of 921 licenses and call signs in the category of Amateur license in Boulder, Colorado. 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 |
|---|---|---|
| KB0THG | DARR, GRACE R | 2005-04-13 |
| KB0TSK | DOYLE, DEVIN P | 2005-07-07 |
| KB0TVH | SCHLICHTING, EDWARD L | 2015-06-24 |
| KB0TVJ | CHADWICK, RUSSELL B | 2015-06-12 |
| KB0VRI | WOOLARD, BILL R | 2005-12-21 |
| KB0VXC | LYNCH, JIMMY F | 2018-04-03 |
| KB0VYZ | JENNINGS, JEFFREY D | 2016-01-30 |
| KB0WJZ | BATLIN, LINDA V | 2006-05-02 |
| KB0WOX | HILLMEYER, PATRICK A | 2017-05-11 |
| KB0WQU | KORAN, ALAN M | 2016-04-07 |
| KB0ZIH | VILOT, THOMAS J | 2008-07-14 |
| KB0ZJ | HACKATHORN, LINDA D | 2005-09-19 |
| | ||
| KB1DYD | ROBINTON, Sheryl A | 2019-09-17 |
| KB1KGK | Mayer, Nathan H | 2013-08-14 |
| KB2RLV | KONIEWICZ, SARAH M | 2014-05-23 |
| KB3RAL | ANDERSON, SUSAN E | 2013-05-22 |
| KB3TZH | Cole, Eugene R | 2010-02-11 |
| KB5CYR | STEPHEN, PATRICIA L | 2017-10-02 |
| KB7PYH | GRUBER, DANIEL M | 2023-03-02 |
| KB7YVA | YONAN, JAMES | 2005-09-21 |
| KB9YYU | Grush, James A | 2021-03-09 |
| KC0BPB | SCHLENDER, AMORY B | 2009-06-16 |
| KC0BPC | SCHLENDER, WALTER I | 2009-06-16 |
| KC0CNN | MC HAFFIE, MARCIA K | 2017-12-05 |
| KC0CPI | OLDHAM, MICHAEL L | 2017-11-13 |
| KC0CWH | ARMSTRONG, EVELYN T | 2007-12-21 |
| KC0DDR | STEARNS, DAVID P | 2008-04-03 |
| KC0DYI | CAMERON, PATRICIA D | 2018-06-02 |
| KC0DZU | PHILLIPS, NINA M | 2018-06-14 |
| KC0EIU | OAKLEY, STEPHEN | 2008-10-28 |
| KC0FAB | Buxkemper, Tracy A | 2019-02-16 |
| KC0FSW | STEARNS, RACHEL C | 2019-04-23 |
| KC0GQT | King, Rudy I | 2009-08-15 |
| KC0HHR | Beausang, David G | 2019-12-11 |
| KC0IBJ | Sparhawk, Jeff C | 2020-04-07 |
| KC0IMP | Marquardt, James E | 2010-04-22 |
| KC0KLQ | Stearns, Colin T | 2011-04-05 |
| KC0KTL | Skuba, Jonathan B | 2021-04-12 |
| KC0LDX | Hinton, Jeffrey J | 2021-07-20 |
| KC0LKN | May, Timothy N | 2014-01-29 |
| KC0MET | BRITTON, TERENCE B | 2012-01-19 |
| KC0MSD | Wade, Stacy W | 2022-10-25 |
| KC0MSL | Rice, Anne | 2012-02-02 |
| KC0NRJ | Seibert, Michael A | 2022-06-25 |
| KC0NUO | Hirsch, Vincent A | 2012-07-18 |
| KC0OMG | Woyna, Kristian M | 2012-08-22 |
| KC0PAR | Sexauer, Kevin W | 2022-11-26 |
| KC0PEU | McNitt, William C | 2012-12-05 |
| KC0PEX | Evans, Nicholas K | 2013-10-25 |
| KC0PWT | NEMETH, EVI | 2013-03-21 |
| KC0PYX | Nelson, Lawrence K | 2013-05-01 |
| KC0QLL | Chase, Michael J | 2023-04-28 |
| KC0RNC | AVELLANA, FJ | 2004-01-28 |
| KC0RWB | Mach, Loren P | 2004-03-16 |
| KC0RWS | Wiedel, Gabe W | 2014-01-30 |
| KC0SBT | Wiedel, Willis T | 2014-01-30 |
| KC0SGH | MOORER JR, DANIEL F | 2004-04-28 |
| KC0STY | Wilburn, Brian L | 2014-09-13 |
| KC0TF | Moffett, Wallace J | 2013-12-27 |
| KC0TKC | Ware, John D | 2014-09-10 |
| KC0TNP | Pullen, Lucien P | 2015-03-24 |
| KC0TUZ | Pullen, James L | 2015-03-17 |
| KC0UFN | Ringer, Mark E | 2015-01-13 |
| KC0UGA | Kurek, Matthew K | 2015-04-15 |
| KC0ULP | Abraham, Job | 2005-05-17 |
| KC0UYV | Parks, Duncan A | 2005-08-16 |
| KC0VHC | Rochester Iv, Lloyd R | 2005-08-16 |
| KC0VLQ | Kelley, John | 2005-11-15 |
| KC0VRJ | Bernhardt, Eric M | 2015-11-10 |
| KC0VWX | Langford, Ellie G | 2006-02-10 |
| KC0WBA | Garbarini, Logan P | 2015-12-29 |
| KC0YDR | Kieger, James R | 2017-03-14 |
| KC0YFT | Kieger II, Arthur B | 2016-05-27 |
| KC0YPB | POMEROY, ROBERT A | 2006-10-10 |
| KC0YPC | Reed, Daniel J | 2006-10-10 |
| KC0YRL | Calvert 815, Christopher L | 2017-05-09 |
| KC0YUY | Holmes, Thomas J | 2016-11-30 |
| KC0YVA | Hatch, Royce A | 2006-11-06 |
| KC0ZAC | LAWSON, BRUCE E | 2016-09-08 |
| KC0ZFX | Udall, Bradley H | 2016-11-09 |
| KC0ZMM | Johnson, Michael A | 2018-05-09 |
| KC0ZPJ | Berg, Andrew B | 2007-02-23 |
| KC1KKR | Koo, Giselle | 2018-10-24 |
| KC2RIQ | White, Amanda J | 2017-03-22 |
| KC2VJW | Matthews, Benjamin A | 2019-05-29 |
| KC2VSJ | Mullaney, William T | 2020-01-22 |
| KC3GBA | KAMEL, BISHOY | 2015-11-25 |
| KC3TWS | Fisher, Elliot Z | 2022-04-07 |
| KC5GAU | CHURCHILL, TOM J | 2004-01-03 |
| KC5PGS | WEAVER JR, JOHN T | 2015-04-16 |
| KC5ZTF | GRUNSFELD, JOHN M | 2017-03-14 |
| KC9KEF | McFarren Mr, Adam T | 2006-09-28 |
| KD0ARJ | GOEDECKE, WALTER B | 2007-05-14 |
| KD0ASZ | LUERMAN, STEPHEN J | 2017-03-01 |
| KD0AXK | Limasalle, Didi | 2017-04-04 |
| KD0BHR | Fowler, Daniel E | 2007-08-07 |
| KD0BTE | Reher, Michael S | 2007-10-11 |
| KD0CMN | ANTONSON, ROBERT B | 2007-12-19 |
| KD0ECH | ACKLEY, LANCE | 2020-04-02 |
| KD0ECN | MAYTAG, CHRISTOPHER P | 2008-05-15 |
