Petco Coupon June 2011 Petco Coupon $5 off on $45 or More Purchase Some Exclusions may apply. Use The Coupon Code :affreg during checkout This coupon is valid till  June 24,2011(6/24/2011).A Promotion Code is applied to your entire order. To use a Promotion Code, enter the Promotion Code into the "Promotion Code" field at ...