gymea postcode nsw Home ›› Postcode Finder ›› NSW ›› Gymea Gymea local listingsThe suburb of Gymea is located in NSW and has a postcode of 2227. Free gymea business listing! 1Gymea High School490-492 Princes Hwy 02 952132442Gymea North Public School23 Ruby Rd 02 952565953Montessori Childrens World99-107 Manchester Rd 02 95404851 View more business listings in gymea Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.