Home Postcodes by state NSW 2787 Postcode 2787 2787 is the postcode for 19 localities in NSW: Black Springs, Chatham Valley, Duckmaloi, Edith, Gingkin, Gurnang and 13 more. Localities with postcode 2787Black SpringsNSWChatham ValleyNSWDuckmaloiNSWEdithNSWGingkinNSWGurnangNSWHazelgroveNSWJaunterNSWKanangraNSWMayfieldNSWMount OliveNSWMount WerongNSWMozartNSWNorwayNSWOberonNSWPorters RetreatNSWShooters HillNSWTaranaNSWThe MeadowsNSW Postcode 2787 State or territory New South Wales (NSW) Localities 19 Council area Oberon; Mainly Lithgow, partly Oberon Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2786 · Postcode 2790