Nail Salon N May Ave, Oklahoma City, OK 73134. Visit Nails by Helen for high-quality manicures and pedicures. Book your appointment today! Address: 13825 N May Ave, Oklahoma City, OK 73134, USA Phone: (405) 755-6264 Tag: nail salon 73134, nail salon Oklahoma City, nail salon N May Ave, nails by helen, nails by helen okc, nail salons near me, nailsbyhelen, nail salons okc, manicure near me, nail salons near me that open at 9 am