Home Postcodes by state TAS 7027 Postcode 7027 7027 is the postcode for Colebrook, TAS. Localities with postcode 7027ColebrookTAS Postcode 7027 State or territory Tasmania (TAS) Localities 1 Council area Southern Midlands Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 7026 · Postcode 7030