The Ford Idaho Center is a complex of sports and entertainment venues in Nampa, Idaho, approximately 15 miles west of Boise. Wikipedia. Address: 16114 N Idaho Center Blvd, Nampa, ID 83687. Phone: (208) 468-1000. Capacity: 12,279 (Ford Arena); 10,500 (Ford Amphitheater); 2,500 (Ford Theater). Get 100% guaranteed Rodeo tickets at the lowest possible price.