When Does Christmas Music Begin Playing On KOST103.5?

iHeart Radio LIVE with Gwen Stefani

Ellen K made the massive announcement...

KOST 103.5 is kicking off the holidays and flipping to Christmas music next Friday, November 8th 2019

It's the biggest and best holiday party we've ever done at our iHeart Radio Theater with Gwen Stefani performing!

We have your tickets top win your way in to iHeart Radio Live with Gwen Stefani every hour on the :50's.

The KOST 103.5 Private Holiday Party is back!

LISTEN TO KOST 103.5 EVERY HOUR,EVERY WEEKDAY (6am to 9pm) AND SOME WEEKENDS... TO CALL IN TO WIN YOUR TICKETS! 

After you hear “the cue to call” be the designated caller at 1-800-929-KOST (1-800-929-5678) and win your way in! 

We'd love to receive your holiday cards. Please mail to: 

KOST 103.5 Family

3400 West Olive Avenue, Suite 550

Burbank, CA 91505

KOST 103.5 Holiday Kick-off Party with Gwen Stefani at the iHeartRadio Theatre (11/8) (Pair) - Thumbnail Image

KOST 103.5 Holiday Kick-off Party with Gwen Stefani at the iHeartRadio Theatre (11/8) (Pair)

The countdown begins!!!
People Are Saying This Is The Most Powerful Christmas Commercial Ever - Thumbnail Image

People Are Saying This Is The Most Powerful Christmas Commercial Ever

KOST 103.5 · Feel Good Los Angeles!
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