Z100 New York - listen to live online radio stations for free and without registration. Z100 Is New York's #1 Hit Music Station. National Reach, Local Impact. 276 million listeners on-air every month. 133 million registered users through digital and mobile. 155 million monthly downloads, #1 commercial podcaster. 250+ platforms and thousands of connected devices. 20+ thousand events across markets and formats. 210 million fans through social media.