Hours Of Operations Happy Nails Iowa Sioux City 51104 Happy Nails Hours of Operation and Location in Sioux City, IA 51104 4.4 - 50 votes 2001 Hamilton Blvd, Sioux City, IA 51104 (712) 224-2503 Get Directions Happy Nails Hours Category: Beauty & Health Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Sioux CityView More Apparel Sam's ClubKmartCatoCarharttCarter's Sports TargetVansRoxyFanzzPayless Shoe Source Outlet Jewelry Sam's ClubHobby LobbyCatoZalesKohl's Outlet Recommend For You Pro Nails Sephora Inside Jcpenney Kmart Pharmacy Mary Kay Cosmetics Salon Centric Super Nails Le Nails Queen Nails Q Nails Nail Pro