yakamia postcode wa Home ›› Postcode Finder ›› WA ›› Yakamia Yakamia local listingsThe suburb of Yakamia is located in WA and has a postcode of 6330. Free yakamia business listing! 1John Calvin School9 Beaufort Rd 08 984138402Jess Adams Atrealty2 Grevillea Way 0410 631 335 View more business listings in yakamia Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.