wickham postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Wickham Wickham local listingsThe suburb of Wickham is located in NSW and has a postcode of 2293. Free wickham business listing! 1Marty's Smash Repairs42-44 Church Street, Wickham NSW 2293, Australia 024961 56512Geosurv Pty LtdGround Floor 1300 554 6753Toogoolawa School96 Hannel St 02 49613322 View more business listings in wickham Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.