WTOP is an all-news radio station and website serving Washington, DC. On-Air: WTOP is heard in the Washington DC Metro on 103 ... .5 FM. It can also be heard in Virginia south of the Beltway on 107.7 FM and in the Frederick, Maryland area on 103.9 FM. Online: Listen to the station at WTOP.com or read the latest local, national, world, living, sports news. In addition WTOP.com has customizable traffic and weather sections allowing you to personalize the site just for your location. Mobile: The WTOP app is available for both iPhone and Android. In addition you can go to our mobile site on any smart phone. read more