wickham postcode nsw Home ›› Postcode Finder ›› NSW ›› Wickham Wickham local listingsThe suburb of Wickham is located in NSW and has a postcode of 2293. Free wickham business listing! 1Toogoolawa School96 Hannel St 02 496133222KlostersCnr Railway and Albert Streets 02 4922 05503KU Wickham Preschool18a Albert Street 02 4961 3304 View more business listings in wickham Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.