![KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp](https://s3-media0.fl.yelpcdn.com/bphoto/PGIikhArwp9Oked4qO348g/348s.jpg)
KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp
![On the radio: KOST's Mark Wallengren opens up about life without Kim Amidon – Orange County Register On the radio: KOST's Mark Wallengren opens up about life without Kim Amidon – Orange County Register](https://www.ocregister.com/wp-content/uploads/migration/kpj/kpjzxe-27lycan1large.jpg?w=535)
On the radio: KOST's Mark Wallengren opens up about life without Kim Amidon – Orange County Register
Excited for the iHeart Radio Music Festival? Oh, with a lineup like this—you bet I am! Mark Wallengren https://ihr.fm/2t3V3uC | By KOST 103.5 | Facebook
![Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register](https://www.ocregister.com/wp-content/uploads/2021/03/OCR-L-KOSTXMAS-1109-04-1.jpg?w=978)
Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register
![Stream HOT & NEW: KOST Christmas 2023 - Demo - Reelworld by Radio Jingles Online - radiojinglesonline.com | Listen online for free on SoundCloud Stream HOT & NEW: KOST Christmas 2023 - Demo - Reelworld by Radio Jingles Online - radiojinglesonline.com | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-o6mCp5v1Pf525CoS-3FHLCg-t500x500.jpg)