Fall 2025 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | KYJK-FM | |
| Frequency: | 105.9 | |
| Station Name: | JACK FM 105.9 MISSOULA | |
| Format: | Adult Hits | |
| Network(s): | IND | |
| City of License: | MISSOULA | |
| County of License: | Missoula | |
| Mailing Address: | 2620 Radio Way Unit B Missoula, MT 59808 |
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| Phone: | 406-721-6800 | |
| Fax: | 406-329-1850 | |
| URL Address: | jackfmmissoula.com | |
| Broadcasts in HD: |
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| Internet Streams: |
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Fall 2025 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .