Listen to the "TalkRadio 630 KHOW" radio station live. The "TalkRadio 630 KHOW" studio is located in Denver, CO. Callsign: KHOW. Broadcasting region: Denver, Colorado, and serving the Denver metropolitan area. Start of broadcasting: 1923 as KFXF. Program format: Talk radio, carries nationally syndicated programs Premiere Radio Networks, Westwood One, NBC News Radio. Target audience: 25-54 years old. Audience Reach: 2,963,821.