Caolas is a village in the Outer Hebrides, Scotland.
It is situated within the HS9 postcode district, which is within the Isle of Barra post town.
HS9 is the only postcode district within the Isle of Barra post town.
The Isle of Barra post town is within the Outer Hebrides postcode area.
Administrative Ward: Barraigh, Bhatarsaigh, Eirisgeigh agus Uibhist a Deas
Administrative District: Eilean Siar
Country: Scotland
UK Parliament: Na h-Eileanan an Iar
NHS Local Health Authority: Western Isles