northbridge postcode wa Home ›› Postcode Finder ›› WA ›› Northbridge Northbridge local listingsThe suburb of Northbridge is located in WA and has a postcode of 6003. Free northbridge business listing! 1Bam Creative3/385 Newcastle St, Northbridge WA 6003, Australia (08) 9228 22332Technical Resources59 Fitzgerald Street, Northbridge WA, Australia 08 6382 70003Strategic Settlements Pty Ltd1/308 Fitzgerald Street, Northbridge WA, Australia 0865078418 View more business listings in northbridge Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.