Rockwell City Church of Christ 850 Tonawanda St., Rockwell City, IA | Sundays @ 10:00am ABOUT US CONTACT US! CLICK HERE! FIND US! CLICK HERE! WHO WE ARE CLICK HERE! FOLLOW US! CLICK HERE! Rockwell City Church of Christ is a non-denominational, Bible believing church family. We are located in Rockwell City, Iowa, serving the communities of the South Central Calhoun School District.