Home Postcodes by state NSW 2754 Postcode 2754 2754 is the postcode for 3 localities in NSW: North Richmond, Tennyson and The Slopes. Localities with postcode 2754North RichmondNSWTennysonNSWThe SlopesNSW Postcode 2754 State or territory New South Wales (NSW) Localities 3 Council area Hawkesbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2753 · Postcode 2756