westdale postcode nsw Home ›› Postcode Finder ›› NSW ›› Westdale Westdale local listingsThe suburb of Westdale is located in NSW and has a postcode of 2653. Free westdale business listing! 1Westdale Public SchoolGunnedah Rd 02 67607219 View more business listings in westdale Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.