croydon postcode qld Home ›› Postcode Finder ›› QLD ›› Croydon Croydon local listingsThe suburb of Croydon is located in QLD and has a postcode of 4871. Free croydon business listing! 1Croydon State SchoolBrown St 07 47456197 View more business listings in croydon Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.