Sunny 97.7 Share: Broadcasting, Radio Stations & Television StationsAdvertising & Marketing Services Sunny 97.7 Visit Website 1510 Bayliss St. Midland, MI 48640 (989) 631-1490 (989) 631-6357 (fax) Facebook About Map About Radio advertising for Midland, Gladwin, Isabella and Clare counties. Home of WMPX/WMRX AM Stations. What's Nearby? Distance: 5 10 15 20 25 50 mi.