Home Postcodes by state NSW 2502 Postcode 2502 2502 is the postcode for 4 localities in NSW: Cringila, Lake Heights, Primbee and Warrawong. Localities with postcode 2502CringilaNSWLake HeightsNSWPrimbeeNSWWarrawongNSW Postcode 2502 State or territory New South Wales (NSW) Localities 4 Council area Wollongong Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2500 · Postcode 2505