Home Postcode finder NSWDL Frogs Hollow Frogs Hollow postcode NSWDL Frogs Hollow is a locality in New South Wales covered by postcode 2550. Postcode 2550 State or territory New South Wales (NSWDL) Region NSW Country West Add a free Frogs Hollow business listing Be the first listing in Frogs Hollow Common questionsWhat is the postcode for Frogs Hollow?Frogs Hollow, NSWDL has the postcode 2550.What state is Frogs Hollow in?Frogs Hollow is in New South Wales (NSWDL).Does postcode 2550 cover more than one suburb?Yes. Postcode 2550 covers 52 localities, so the postcode alone does not identify Frogs Hollow. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.