Cumulus Broadcasting Share: Radio Cumulus Broadcasting Visit Website 544 Mulberry St #500 Macon, GA 31201 (478) 746-6286 - (478) 744-9843 (fax) LinkedIn Hours: 9am-5pm About Map About Cumulus Media is the largest radio broadcasting network in middle Georgia with digital and internet advertising solutions for any business in the market. Directions Located in the heart of Downtown Macon off Mulberry St. What's Nearby? Distance: 5 10 15 20 25 50 mi.