Diamond Jo Casino Categories CasinoRestaurants 777 Diamond Jo Lane Northwood IA 50459 (641) 323-7777 (641) 323-7743 Visit Website Rep/Contact Info Mr. Scott Smith × Mr. Scott Smith General Manager Phone: (641) 323-7721 Fax: (641) 323-7743 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×