lawson postcode nswst Home ›› Postcode Finder ›› NSWST ›› 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 475911962Our Lady of the Nativity Primary School7 Somers St 02 475917873Micah & CoUnit 3 02 4759 1953 View more business listings in lawson Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.