grenfell postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Grenfell Grenfell local listingsThe suburb of Grenfell is located in NSW and has a postcode of 2810. Free grenfell business listing! 1The Henry Lawson High School49 South St 02 634313902Grenfell Public School30-42 Melyra St 02 634321223St Joseph's SchoolWeddin St 02 63431514 View more business listings in grenfell Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.