Hours Of Operations Mary Kay Cosmetics New York Hauppauge 11788 Mary Kay Cosmetics Hours of Operation and Location in Hauppauge, NY 11788 4.0 - 79 votes 305 Devonshire Rd, Hauppauge, NY 11788 (631) 232-2640 Get Directions Mary Kay Cosmetics Hours Category: Beauty & Health Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore HauppaugeView More Apparel Carter'sDress BarnJusticeCoachDiesel Sports Lacrosse UnlimitedCross Country Jewelry AvonProperty Damage Appraisers Incorporated Recommend For You Reynolds & Reynolds Company Tsr Consulting Services Incorporated E Plus Technology Incorporated Star Communications Bmc Software Incorporated Hcl America Incorporated Hair Plaza Beauty Supply Beauty & More United Beauty Salon C