laggan postcode nswst Home ›› Postcode Finder ›› NSWST ›› Laggan Laggan local listingsThe suburb of Laggan is located in NSW and has a postcode of 2583. Free laggan business listing! 1Laggan Public SchoolLaggan Rd 02 48373215 View more business listings in laggan Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.