The Federal Communications Commission (FCC) has granted a total of 372 licenses and call signs in the category of Amateur license in Castle Rock, 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 |
|---|---|---|
| KD0RNI | MEEK, JENNIFER L | 2012-04-09 |
| KD0SZQ | SAYEEDI, NICHOLAS | 2012-08-30 |
| KD0THV | Foust, Christopher D | 2022-10-04 |
| KD0TNZ | TERHARK, LINCOLN S | 2022-10-20 |
| KD0UAP | YAGER, JOEL B | 2023-04-22 |
| KD0UIB | Hamilton, Ralph J | 2013-02-07 |
| KD0VNK | BRETHAUER, CALVIN K | 2013-05-13 |
| KD0WDC | Persall, Jerry G | 2023-04-25 |
| KD0YGG | DICKSON, MARY E | 2013-11-19 |
| KD0YMF | Marks, Scott A | 2013-12-13 |
| KD0YOF | LEWIS, MICHAEL A | 2013-12-18 |
| KD0YUM | BRUSTAD II, ROLF O | 2014-01-22 |
| | ||
| KD0YUP | VOORHEES, DOUGLAS P | 2014-01-22 |
| KD0YUQ | WILLOUGHBY, GARY R | 2014-01-22 |
| KD0ZAN | Bramwell, Benjamin J | 2014-02-10 |
| KD0ZHG | BARTON, CHARLES L | 2014-02-26 |
| KD0ZQH | Balcerzak, Kenneth A | 2014-03-26 |
| KD0ZVH | Backes, Zach L | 2014-04-02 |
| KD0ZYE | Kinlaw, Joe D | 2014-04-08 |
| KD2LNP | Novak, Keith M | 2016-07-21 |
| KD2PPF | Montague, Matt J | 2018-04-19 |
| KD5EGF | STEVENS, ROBERT J | 2018-09-07 |
| KD5INE | Foster, Brian E | 2020-02-15 |
| KD6BUD | HILLNER, ERIK A | 2013-11-14 |
| KD6LWE | ASHBAUGH, ROBERT E | 2012-06-19 |
| KD7CLY | WARDLE, CHRIS | 2019-03-19 |
| KD7EWY | OTEY, CHRISTOPHER S | 2019-03-12 |
| KD7HSF | GURNEY, DENIS M | 2020-10-03 |
| KD8HJC | Feier Jr, Ioan I | 2017-10-10 |
| KE0BBX | White, Sebastian R | 2014-06-27 |
| KE0BNG | Kaoudis, Kelly N | 2014-08-20 |
| KE0BRI | KINNE, ERIC G | 2014-09-11 |
| KE0BWD | ESPINOSA, WILLIAM J | 2014-10-07 |
| KE0CCD | Bockman, Mark W | 2014-11-05 |
| KE0CLK | LAUGHLIN, JOSEPH R | 2014-12-03 |
| KE0CRL | Tittes, Samuel R | 2015-01-09 |
| KE0DCY | Smithee, Kenneth R | 2015-02-13 |
| KE0DDI | Richter, Lawrence L | 2015-02-13 |
| KE0DEZ | Bazzo, Michael R | 2015-02-18 |
| KE0EIO | LARSEN, WILLIAM H | 2015-05-06 |
| KE0EZD | SNOOK, BRETT A | 2015-06-18 |
| KE0FHZ | Christensen, Karston J | 2015-08-03 |
| KE0FIA | Christensen, Eric J | 2015-08-03 |
| KE0FPW | GRIMME, MATTHEW R | 2015-08-26 |
| KE0FPX | LARKIN, BENJAMIN G | 2015-08-26 |
| KE0FTT | Martin, Richard P | 2015-09-11 |
| KE0GBV | Grotegut, William B | 2015-10-13 |
| KE0GDO | Caldwell, William A | 2015-10-16 |
| KE0GGJ | Flechas, Gabriel M | 2015-10-28 |
| KE0GXH | Neilsen, Kevin D | 2015-12-08 |
| KE0GXI | Jones, Chase D | 2015-12-08 |
| KE0HBZ | LANGLOIS, ROBERT C | 2015-12-28 |
| KE0HCW | CRABTREE, MICHAEL H | 2016-01-06 |
| KE0HFB | HAFEMEISTER, GREG J | 2016-01-19 |
| KE0HUP | CRABTREE, IAN M | 2016-02-29 |
| KE0HUQ | NELSON, DAVID M | 2016-02-29 |
| KE0IO | SOSNICKY, ANDREW P | 2016-04-28 |
| KE0ITW | BACHMEYER, GREGGORY M | 2016-04-26 |
| KE0JDC | Bnanza Radio Club | 2016-05-16 |
| KE0JJR | Brigham, Brendon E | 2016-05-25 |
| KE0JPJ | JONES, RICHARD C | 2016-06-15 |
| KE0KFQ | Layton, Steve T | 2016-08-31 |
| KE0KPS | DEATON, JEFF | 2016-10-11 |
| KE0KSR | HASKELL, TORIN P | 2016-10-26 |
| KE0KWA | Rubino, Phillip F | 2016-11-07 |
| KE0KWF | Nusbacher, Neal F | 2016-11-07 |
| KE0KYL | Kratville, Thomas R | 2016-11-10 |
| KE0KYP | Daniels, Justin A | 2016-11-10 |
| KE0LIM | Beltre, Diego A | 2016-12-09 |
| KE0LPI | Smith A, Richard | 2017-01-13 |
| KE0LPN | Callery, John S | 2017-01-13 |
| KE0LWX | Holm, Rebecca L | 2017-02-01 |
| KE0LWY | Holm, Gregory H | 2017-02-01 |
| KE0LXK | Czaplicki, Nicholaus S | 2017-02-01 |
| KE0MDD | Evans, Christopher J | 2017-02-21 |
| KE0MOB | Boyd, Aaron M | 2017-03-20 |
| KE0MOC | Bradshaw, Jason D | 2017-03-20 |
| KE0MOD | Brown, Timothy R | 2017-03-20 |
| KE0MOE | Graham, James | 2017-03-20 |
| KE0MYI | Marshall, John | 2017-04-17 |
| KE0MYR | Van Hercke, Hal | 2017-04-17 |
| KE0MYS | Vecchiarelli, Gianni R | 2017-04-17 |
| KE0NFJ | Ross, William D | 2017-05-08 |
| KE0NRD | KAHLER, REUBEN R | 2017-06-07 |
| KE0OKB | Hemsley, David | 2017-09-05 |
| KE0ONO | Teague III, Ernest J | 2017-09-25 |
| KE0ONW | INGRAM, DENNIS L | 2017-09-26 |
| KE0OQM | Runkel, Stephen A | 2017-10-10 |
| KE0OWZ | LANGHORST, ERIC T | 2017-11-01 |
| KE0PCK | HALL, DOUGLAS M | 2017-11-16 |
| KE0PCL | HAYNIE, FRANKLIN R | 2017-11-16 |
| KE0PDB | Casebolt, Dan H | 2017-11-20 |
| KE0PRM | Bellamy, Braedon M | 2018-01-09 |
| KE0QCL | Allen Pina, Andrew N | 2018-02-12 |
| KE0QZA | MARCOTTE, NICHOLAS M | 2018-04-03 |
| KE0RAR | Kong, Pagnan | 2018-04-06 |
| KE0RAS | Kann, Sambath | 2018-04-06 |
| KE0RGU | FETH, TERRY J | 2018-04-17 |
| KE0RIK | Allen, Brennan R | 2018-04-23 |
| KE0RKE | Gonske, Mark A | 2018-04-24 |
