frederickton postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Frederickton Frederickton local listingsThe suburb of Frederickton is located in NSW and has a postcode of 2440. Free frederickton business listing! 1Frederickton Public School1 Great North Rd 02 65668217 View more business listings in frederickton Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.