rockville postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Rockville Rockville local listingsThe suburb of Rockville is located in QLD and has a postcode of 4350. Free rockville business listing! 1Rockville State School3 Holberton St 07 465923332Garden City Dental Practice45 Holberton Street, Rockville QLD 4350, Australia 0746340664 View more business listings in rockville Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.