Live radio station

KOST 103.5

103.5 FM Adult Contemporary Los Angeles

Listen on iHeart Report broken stream Suggest a correction 0 listens

About the station

Listen to KOST 103.5 online

KOST 103.5 airs adult contemporary music in Los Angeles.

The station's confirmed programs include the Ellen K Morning Show, Kari Steele, Sandy Stec, and Delilah.

Records name IHM Licenses, LLC / iHeartMedia as the owner or licensee.

Station details

KOST 103.5 at a glance

Frequency: 103.5 FM
Call sign: KOST
Format: Adult Contemporary
Language: English
Station type: Full-service FM
Time zone: America/Los_Angeles (PT)
Effective radiated power: 11.5 kW
FCC class: B
City: Los Angeles
State: California

Editorial standards

How we verify KOST 103.5

Last verifiedJuly 31, 2026

Official station websiteCurrent branding and station information
kost1035.iheart.com
FCC Public Inspection FileCall sign, licensee, service, and facility identity
Facility 34424

Our verification method

We match the call sign, licensed frequency, city of license, and facility identity against FCC data. We then compare the station name, format, schedule, and related signals with the station’s official website and test the listed stream in a browser-compatible player. Regional restrictions, breaking news, and live sports can still change availability or programming.

KOST 103.5

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KOST 103.5

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How we verify KOST 103.5

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