cessnock postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Cessnock Cessnock local listingsThe suburb of Cessnock is located in NSW and has a postcode of 2325. Free cessnock business listing! 1Cessnock High SchoolAberdare St 02 499019772Cessnock East Public School360 Old Maitland Rd 02 499015493Cessnock Public SchoolRawson St 02 49907322 View more business listings in cessnock Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.