The Federal Communications Commission (FCC) has granted a total of 56 licenses and call signs in the category of Amateur license in Castle Rock, Washington. 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 |
|---|---|---|
| AB7LK | GRASSER JR, GARY E | 2020-06-17 |
| K7KO | ANDREWS, STEPHEN W | 2023-02-24 |
| KA7QOX | PIERCY, ALAN M | 2014-08-22 |
| KA7QOY | PIERCY, VERA J | 2014-08-22 |
| KA7TKW | FOSTER, JOHN W | 2015-03-03 |
| KA7YXF | RIDLING, AARON W | 2014-03-06 |
| KB0UIV | RINALDI, DAVID C | 2015-08-17 |
| KB7EXC | HUDSON, GLENN M | 2017-12-19 |
| KB7IFR | Reams, Terry D | 2021-06-09 |
| KB7MFS | GRASSER, GEORGIA C | 2021-07-31 |
| KB7QN | WILKINSON SR, PETER S | 2006-03-24 |
| KB7WNN | SESSIONS, BARBARA J | 2013-07-10 |
| | ||
| KC7LST | GRASSER, BENJAMIN J | 2005-06-04 |
| KD0JZX | Auxer, Christopher J | 2020-01-28 |
| KD7BBJ | Powers, Wiley M | 2018-01-05 |
| KE7EMY | DENT SR, KENNETH W | 2015-07-21 |
| KE7SMU | Graham, Bernard G | 2020-03-11 |
| KF7CWQ | Jones, Thomas E | 2020-10-15 |
| KF7RPH | Finkelstein, Daniel J | 2011-09-15 |
| KF7RPJ | Mitchell, Kathleen P | 2011-09-15 |
| KF7RQH | Retterath, Thomas R | 2011-09-20 |
| KF7UGJ | Mann, Thomas M | 2012-02-27 |
| KG7AEF | Couch, Gabe B | 2023-02-16 |
| KG7BOT | Collins, David L | 2013-02-27 |
| KG7BOU | Buck, Linda F | 2023-04-08 |
| KG7BOW | Music, Shane D | 2013-02-27 |
| KG7BOY | Music, Bruce E | 2013-02-27 |
| KG7GJP | Hedges, Jan L | 2013-10-30 |
| KG7HYY | Pogue, Mark D | 2013-11-27 |
| KG7KNN | Hammond, Jacob J | 2014-04-14 |
| KG7MVE | Burgy, Rodney A | 2014-06-25 |
| KG7SMR | Van Den Houten, Jurjen | 2015-03-31 |
| KG7TKT | MC CHESNEY, BRITTANY A | 2015-05-05 |
| KG7TKV | MOTTICE, MISTY L | 2015-05-05 |
| KI7BDB | Meeds, Judy A | 2016-02-16 |
| KI7FLL | Hamilton, Robert H | 2016-06-22 |
| KI7IFU | Holley, Patrick R | 2016-11-10 |
| KI7YMT | Barrett, Peter K | 2018-05-25 |
| KI7YMV | Mapel, Ryan M | 2018-05-25 |
| KJ7GWL | Mowell, Robin W | 2019-05-30 |
| KJ7N | TENNANT, LARRIE A | 2016-01-15 |
| KJ7STB | Brown, Michael J | 2020-12-03 |
| KK7DSB | Morkert, Henry D | 2022-02-17 |
| KK7DSD | Healy, Sean P | 2022-02-17 |
| KK7FNG | Healy, Richard K | 2022-04-18 |
| KK7FNH | KENNINGTON, LESTER B | 2022-04-18 |
| KK7K | TENNANT, LONNIE H | 2015-11-03 |
| N7DWF | WOOD, DEAN H | 2018-01-10 |
| N7EJM | REYNOLDS, RUSSELL P | 2004-01-14 |
| N7KGX | King, Dean R | 2017-07-14 |
| N7TLT | KING, RACHEL M | 2011-06-13 |
| WA7QMV | FIEST, DANIEL L | 2016-06-11 |
| WB6AKX | Mc Eachern, Glenn H | 2014-10-31 |
| WB7EGV | FIEST, JUDITH J | 2016-06-11 |
| WB7NOB | TENNANT, ALICE S | 2016-07-12 |
| WB7QQJ | SANDERS, JAMES H | 2005-03-28 |
