Port William is a village in Dumfries and Galloway, Scotland.
It is situated within the DG8 postcode district, which is within the Newton Stewart post town.
DG8 is the only postcode district within the Newton Stewart post town.
The Newton Stewart post town is within the Dumfries postcode area.
Administrative Ward: Wigtown West
Administrative District: Dumfries and Galloway
Country: Scotland
UK Parliament: Dumfries and Galloway
NHS Local Health Authority: Dumfries and Galloway