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 |
|---|---|---|
| KE0JES | Casali, Justin D | 2016-05-18 |
| KE0JET | Gambescia, Maxwell D | 2016-05-18 |
| KE0JEV | Himsel, Zachary C | 2016-05-18 |
| KE0JEX | Li, Meifang | 2016-05-18 |
| KE0JEZ | Tomas, Brian M | 2016-05-18 |
| KE0JSW | Delbarba Jr, Brian P | 2016-07-07 |
| KE0JUR | Arias, Jorge | 2016-07-13 |
| KE0KBG | Mack, James R | 2016-08-18 |
| KE0KCN | DEMURI, ADAM G | 2016-08-23 |
| KE0KDO | Mallory, Kody L | 2016-08-25 |
| KE0KHB | Beal, Alex | 2016-09-02 |
| KE0KHJ | Vance, Jason L | 2016-09-02 |
| | ||
| KE0KHK | Zimmer, Jerrold F | 2016-09-02 |
| KE0KJJ | Kouznetsov, Michael S | 2016-09-16 |
| KE0KSL | Rajaram, Nikhil M | 2016-10-25 |
| KE0KUA | Fogarty, Daniel M | 2016-11-03 |
| KE0KUJ | Wyshak, Jay | 2016-11-03 |
| KE0LCM | Bergman, Eric S | 2016-11-22 |
| KE0LKT | Listokin, Evan M | 2016-12-15 |
| KE0LKU | Seiler, Mike | 2016-12-15 |
| KE0LNY | SVERRISSON, HEIMIR T | 2016-12-29 |
| KE0LPD | Prulhiere, Adam R | 2017-01-13 |
| KE0LSE | Watts, Adam | 2017-01-24 |
| KE0MBR | Macgregor, Andrew D | 2017-02-15 |
| KE0MBS | Macgregor, Lesley M | 2017-02-15 |
| KE0MBT | Orintas, Richard J | 2017-02-15 |
| KE0MCZ | Taylor, Richard S | 2017-02-21 |
| KE0MJC | Hiraski, Ken K | 2017-03-06 |
| KE0MJX | Grusin, Mike D | 2017-03-07 |
| KE0MJZ | Pedda Venkatappagari, Sai Pavan Anidu | 2017-03-07 |
| KE0MKG | Stevens, Irena | 2017-03-07 |
| KE0MKH | Subray, Siddhartha | 2017-03-07 |
| KE0MKI | Sarangarajan, Vijaykrishnan | 2017-03-07 |
| KE0MKJ | White, Christopher C | 2017-03-07 |
| KE0MPR | Tett, Alan B | 2017-03-23 |
| KE0MQD | Rush, Robert G | 2017-03-23 |
| KE0MQE | Pakabunto, Prem | 2017-03-23 |
| KE0MWC | Krenz, Jerrold H | 2017-04-10 |
| KE0NDR | Abebe Sr, Mussie S | 2017-05-03 |
| KE0NDS | Alshihab, Ameen S | 2017-05-03 |
| KE0NDV | Fremier, Alec L | 2017-05-03 |
| KE0NDW | Hassan Murali, Anup | 2017-05-03 |
| KE0NEA | Kendall, Marten M | 2017-05-03 |
| KE0NEB | Morrison, Daniel A | 2017-05-03 |
| KE0NED | Osundina, Babatimilehin | 2017-05-03 |
| KE0NEK | Wan Zawawi, Mohamad Ariffuddin | 2017-05-03 |
| KE0NEL | Wei, Chutao | 2017-05-03 |
| KE0NEP | Wright, Derek L | 2017-05-03 |
| KE0NER | Zheng, Dingyin | 2017-05-03 |
| KE0NHB | Grayson, Mark A | 2017-05-10 |
| KE0NKS | Prigg, Brooke N | 2017-05-22 |
| KE0NRK | Kominek, Jay F | 2017-06-08 |
| KE0NVK | Gushurst, Kelly | 2017-07-05 |
| KE0OBC | Bostley III, Phil J | 2017-07-27 |
| KE0OEP | Bain, Maverick J | 2017-08-11 |
| KE0OEU | Presley Jr, James T | 2017-08-11 |
| KE0OKA | Dahl, Austin M | 2017-09-05 |
| KE0OLJ | O'Connor, Bryan J | 2017-09-15 |
| KE0OUX | Hammer, Mark | 2017-10-24 |
| KE0OYS | Weiss, Alec J | 2017-11-08 |
| KE0PHF | Haddab, Abdulaziz | 2017-11-29 |
| KE0POV | Ichikawa, Taiyo A | 2017-12-19 |
| KE0POZ | Fox, Henry S | 2017-12-19 |
| KE0PRP | Kalnajj, Lars E | 2018-01-09 |
| KE0PUA | Gratz, John | 2018-01-22 |
| KE0PUB | Kelly, Christine | 2018-01-22 |
| KE0PUN | Ancy, Suzanne | 2018-01-22 |
| KE0PUV | Venezia, Aaron | 2018-01-22 |
| KE0QCQ | Foster, Ryan M | 2018-02-13 |
| KE0QHJ | Shultz, Joseph C | 2018-02-27 |
| KE0QJQ | Verkhovsky, Samuel B | 2018-03-02 |
| KE0QNN | HAYES, SAMUEL J | 2018-03-14 |
| KE0QOI | Smith, Brant S | 2018-03-19 |
| KE0RDV | Murphy, Bryan Y | 2018-04-12 |
| KE0RGQ | Jones, Douglas D | 2018-04-17 |
| KE0RJR | Rhoades IV, Theodore J | 2018-04-24 |
| KE0RKA | Wenzel, Justin M | 2018-04-24 |
| KE0RKD | Wenzel, Martin J | 2018-04-24 |
| KE0RKR | Al Bahrany, Hassan A | 2018-04-26 |
| KE0RKT | Butler, Zachary R | 2018-04-26 |
| KE0RLA | LIN, JIABIN | 2018-04-26 |
| KE0RLG | Sprajcer, Ana | 2018-04-26 |
| KE0RLL | Cai, Hongtao | 2018-04-27 |
| KE0ROZ | Caduda, Flavio G | 2018-05-08 |
| KE0RQW | Alnaji, Ali M | 2018-05-09 |
| KE0RRA | Whitmore, Coby T | 2018-05-09 |
| KE0RWS | Wright, Joseph M | 2018-05-22 |
| KE0SKT | Steadman, Laura M | 2018-07-03 |
| KE0SKX | Mezger, Melissa A | 2018-07-03 |
| KE0SLE | Davi, Peter B | 2018-07-03 |
| KE0SNW | Hall, Richard C | 2018-07-11 |
| KE0SPE | Orr, Sophie | 2018-07-23 |
| KE0STB | Nemcosky, Christopher G | 2018-08-14 |
| KE0TAR | Brack, Joseph J | 2018-09-24 |
| KE0TID | Yoza Mitsuishi, Nadia P | 2018-10-17 |
| KE0TJD | Some, Evariste | 2018-10-22 |
| KE0TJE | Fishler, Dan | 2018-10-22 |
| KE0TJG | Lee, Dong-Kyeong | 2018-10-22 |
| KE0TJJ | Mhadgut, Deven H | 2018-10-22 |
| KE0TJT | Miller, David B | 2018-10-22 |
