glenning-valley postcode nswst Home ›› Postcode Finder ›› NSWST ›› Glenning-Valley Glenning Valley local listingsThe suburb of Glenning Valley is located in NSW and has a postcode of 2261. Free glenning valley business listing! Get the first free listing in glenning valley! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.