Postcode 6420 in Australia Data of cities, streets and addresses for Australian postal code 6420 Muntadgin Brissenden Road Burracoppin South Road Clarke Road Crossland Street Hendrick Road Hooper Road Hoopers Road Muntadgin Road Cramphorne Bruce Rock East Road Butler Boundary Road Butler Road Cramphorne Road Escott Road Georgeff Road Kerses Road Merredin-narembeen Road Mount Walker Road North Potter Road Starcevich Chapman Road Tudor Road Wogarl East Road Wogarl West Road Wogarl-muntadgin Road All Australian postal codes starting with 0 2 3 4 5 6 7