Spring 2026 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | KCYY-FM | |
| Frequency: | 100.3 | |
| Station Name: | Y100 | |
| Format: | Country | |
| Network(s): | IND | |
| City of License: | SAN ANTONIO | |
| County of License: | Bexar | |
| Mailing Address: | 8122 DATAPOINT DR STE 600 SAN ANTONIO, TX 78229 |
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| Phone: | 210-615-5400 | |
| Fax: | 210-615-5300 | |
| URL Address: | www.y100fm.com | |
| Broadcasts in HD: |
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| Internet Streams: |
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Spring 2026 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .