The Federal Communications Commission (FCC) has granted a total of 42 licenses and call signs in the category of Amateur license in Darby, Montana. 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 |
|---|---|---|
| K6ZFO | ALMGREN, TED C | 2014-09-30 |
| KA0YLS | HAMMACK, JOHN C | 2004-09-21 |
| KA0YLT | HAMMACK, STEVE J | 2006-02-17 |
| KC7BZD | HONEY, DAVID L | 2004-01-28 |
| KC7KYO | MCBRIDE, RICHARD F | 2015-04-21 |
| KC7MZU | Caizza, Susan M | 2016-07-06 |
| KD6FCC | COLEMAN, REGINA A | 2012-03-17 |
| KD7ABP | MC BRIDE, CHERYLE L | 2007-01-11 |
| KD7HGN | Tresemer, Erica A | 2019-10-17 |
| KD7HGO | Schultz, Joseph E | 2009-11-20 |
| KD7HGP | Tresemer, Alan | 2019-10-09 |
| KD7HGQ | Schultz, Lisa J | 2019-10-24 |
| KE6DNH | KOSAKA, KRISTIE J | 2013-08-26 |
| KE6DNI | KOSAKA, EUGENE H | 2013-08-26 |
| KF5GHI | Anderson, James P | 2022-03-04 |
| KF7CON | Floch, Rick F | 2019-02-28 |
| KF7PNI | JOHANSSON, CHRISTOPHE W | 2011-07-15 |
| KF7ZEC | DUNLAP, TED | 2012-10-25 |
| KG6FNX | Crocker, Jesse F | 2021-03-04 |
| KG7ECC | Branham, John M | 2023-04-13 |
| KG7GPR | Dunlap, Melissa N | 2013-11-18 |
| KG7GPS | Watson, Iris M | 2013-11-18 |
| KG7KGM | Gannon, Christina K | 2014-04-01 |
| KG7KGN | Magoon, Albert D | 2014-04-01 |
| KG7KGO | Gannon, Edward J | 2014-04-01 |
| KG7NAW | Gunterman, John F | 2014-07-07 |
| KG7NFC | Denslaw, Alex J | 2014-07-15 |
| KG7PHZ | Mortenson, Edward D | 2014-11-21 |
| KG7PQR | Magoon, Travis W | 2014-12-12 |
| KG7VJR | Magoon, Matthew B | 2015-08-07 |
| KI7YRE | Daniel, Chris K | 2018-06-04 |
| KJ4HXP | WALCZAK, PAUL | 2018-11-07 |
| KJ7GXQ | Clothier, Jennifer A | 2019-05-31 |
| KJ7GXR | Fry, Ravi M | 2019-05-31 |
| KJ7HYP | Traveling Amateur Radio Team | 2019-07-17 |
| KJ7ZWP | Boyer, Kimberly M | 2021-07-21 |
| KK7AHN | Branham, Jill M | 2021-08-16 |
| KK7EPE | Evans, Sharon P | 2022-03-21 |
| KK7JBO | Stacy, Gerald E | 2022-11-09 |
| KK7KAA | Burke, Robert V | 2023-01-19 |
| KK7LPF | Miner Sr, Bradley J | 2023-03-23 |
| N6MLD | GRAVES, LOIS A | 2015-02-10 |
