shannons-flat postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Shannons-Flat Shannons Flat local listingsThe suburb of Shannons Flat is located in NSW and has a postcode of 2630. Free shannons flat business listing! Get the first free listing in shannons flat! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.