St Fergus is a village in Aberdeenshire, Scotland.
It is situated within the AB42 postcode district, which is within the Peterhead post town.
AB42 is the only postcode district within the Peterhead post town.
The Peterhead post town is within the Aberdeen postcode area.
Administrative Ward: Peterhead North and Rattray
Administrative District: Aberdeenshire
Country: Scotland
UK Parliament: Banff and Buchan
NHS Local Health Authority: Grampian