Here are some of the newest valid Godaddy promo codes. I just used OK9 to renew some domains and it worked great.
OK7 - 10% Discount on total order OK8 - 20% Off $50 or More OK9 - 30% Off .com Domains and Renewals
- Special Godaddy Promo Code Valid through 08/31/09.
Go Daddy Coupon OK25 25% Discount on all hosting plans or any order of $91 or more.