![KOST 103.5 on Twitter: "5️⃣ more days!!! 🎄🎶❤️ What's your fave Christmas song? #kostchristmas https://t.co/daQhkCLBo1" / Twitter KOST 103.5 on Twitter: "5️⃣ more days!!! 🎄🎶❤️ What's your fave Christmas song? #kostchristmas https://t.co/daQhkCLBo1" / Twitter](https://pbs.twimg.com/media/ElqoNEBW0AEur0K.jpg)
KOST 103.5 on Twitter: "5️⃣ more days!!! 🎄🎶❤️ What's your fave Christmas song? #kostchristmas https://t.co/daQhkCLBo1" / Twitter
![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=511)
Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register
![Radio: KOST-FM kicks off its Christmas music, plus 16 more holiday channels can be heard on SiriusXM – Daily News Radio: KOST-FM kicks off its Christmas music, plus 16 more holiday channels can be heard on SiriusXM – Daily News](https://www.dailynews.com/wp-content/uploads/2020/11/iStock-479145970-1.jpg)
Radio: KOST-FM kicks off its Christmas music, plus 16 more holiday channels can be heard on SiriusXM – Daily News
![KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a](https://pbs.twimg.com/media/DQU_E8UV4AI9fRn.jpg)
KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a
![When will KOST-FM 103.5 switch to Christmas music for 2021? We have a theory – Orange County Register When will KOST-FM 103.5 switch to Christmas music for 2021? We have a theory – Orange County Register](https://www.ocregister.com/wp-content/uploads/2021/11/OCR-L-KOSTXMAS-1109-02.jpg)