Z103.5 — CIDC-FM

Z103.5 (CIDC-FM) is a commercial regional radio station broadcasting at 103.5 FM from Orangeville, Ontario, and serving the Greater Toronto Area. It first went on the air on May 1, 1987. Evanov Communications has operated the station with its current CHR and dance format since 1995, targeting listeners aged 18–34. On weekdays, the hosts keep their talk segments brief, allowing the music to take centre stage. The morning show is hosted by Mel and Ronnie, while longtime host Tony Monaco hosts the weekday evening show, mixing listener calls with club tracks and live DJ sets rather than extended talk segments.

The playlist features upbeat pop, electronic tracks, and house remixes. You will hear artists such as Loud Luxury, Calvin Harris, and David Guetta alongside current Top 40 singles and DJ mixes.

According to the latest publicly available Numeris PPM data cited in Broadcast Dialogue’s analytical reports, Z103.5 reaches hundreds of thousands of unique listeners per week (Weekly Cume Reach) across the Greater Toronto Area. Because detailed Numeris ratings data is not publicly available, these figures are the most recent audience data that can be independently referenced in public sources. While the available ratings data is from 2021, the station’s established format and broad coverage area have remained consistent, supporting its continued position in the GTA radio market in 2026. Listeners tune in primarily for its stronger dance focus, which sets it apart from more conventional pop stations in the market. In the Canadian radio industry, the station has received several Canadian Music Week nominations for CHR Station of the Year over the years. It also partners with local concert venues and events across southern Ontario.

Compared with competitors such as 99.9 Virgin Radio and KiSS 92.5, Z103.5 leans more heavily toward EDM and club re-edits. On the downside, its transmitter in Orangeville gives it a weaker signal in parts of south Toronto than stations transmitting from the CN Tower, while commercial breaks can be longer during peak hours.

Quick Facts

Frequency: 103.5 FM