Main Office Line:
415-975-5555

Sales Department
email Clinton Box or...
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Contact the Webmaster

Address

103.7 KOSF-FM 
340 Townsend St.
4th Floor
San Francisco, CA  94107
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Normal business hours |  - 9am - 5:30pm
Prize pickup |  Monday - Friday - 9:30am - 5:00pm

Closed Saturday - Sunday

*Closed on federal holidays