northam postcode wa Home ›› Postcode Finder ›› WA ›› Northam Northam local listingsThe suburb of Northam is located in WA and has a postcode of 6401. Free northam business listing! 1NORTHAM BETTA HOME LIVING211 Fitzgerald Street East, Northam WA 6401, Australia 08962212292Draco Air394 Fitzgerald St, Northam WA 6401, Australia (08) 9621 11173Northam Primary SchoolBurgoyne St 08 96221203 View more business listings in northam Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.