Fall 2025 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | KOSF-FM | |
| Frequency: | 103.7 | |
| Station Name: | Classic Hits 103.7 | |
| Format: | Classic Hits | |
| Network(s): | PRMIER | |
| City of License: | SN FRANCSCO/SN JOSE | |
| County of License: | San Francisco | |
| Mailing Address: | 340 TOWNSEND ST 4TH FL SAN FRANCISCO, CA 94107 |
|
| Phone: | 415-975-5555 | |
| Fax: | 229-714-6890 | |
| URL Address: | classichits1037.com | |
| Broadcasts in HD: |
|
|
| Internet Streams: |
|
|
Fall 2025 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .