what std code is 01764
- UK area code 01764 is for Crieff in Perth and Kinross, and the surrounding area.Locations using 01764 numbers include: 1  Auchterarder. 2  Blackford. 3  Comrie. 4  Crieff.5  Dunning. 6  Madderty.K area code 01764 is for Crieff in Perth and Kinross, and the surrounding area. Locations using 01764 numbers include: 1  Auchterarder. 2  Blackford. 3  Comrie. 4  Crieff. 5  Dunning.