kincumber postcode nsw Home ›› Postcode Finder ›› NSW ›› Kincumber Kincumber local listingsThe suburb of Kincumber is located in NSW and has a postcode of 2251. Free kincumber business listing! 1Kincumber High SchoolBungoona Rd 02 436915552Holy Cross Catholic School37 Kincumber St 02 436966383Kincumber Public School155 Avoca Drive 02 43691544 View more business listings in kincumber Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.