holgate postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Holgate Holgate local listingsThe suburb of Holgate is located in NSW and has a postcode of 2250. Free holgate business listing! 1Holgate Public SchoolWattle Tree Rd 02 43677444 View more business listings in holgate Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.