cessnock postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Cessnock Cessnock local listingsThe suburb of Cessnock is located in NSW and has a postcode of 2325. Free cessnock business listing! 1DrainPro Plumbing13 Barrett Ave, Cessnock NSW 2325, Australia 04139042592St Patrick's Primary School155 Wollombi Rd 02 499031523Cessnock West Public SchoolCnr Campbell & Wollombi Sts 02 49901637 View more business listings in cessnock Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.