lawson postcode nsw Home ›› Postcode Finder ›› NSW ›› Lawson Lawson local listingsThe suburb of Lawson is located in NSW and has a postcode of 2783. Free lawson business listing! 1Lawson Public School1 Wilson St 02 475911962Micah & CoUnit 3 02 4759 19533Our Lady of the Nativity Primary School7 Somers St 02 47591787 View more business listings in lawson Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.