DUMFRIES TAXI FIRMS ... CONTACT DETAILS

A to B Taxis
01387 710007

Alba Taxis
01387 259555

Cabs R Us
01387 247247

Maxis Taxis
01387 255667

there are many others ... check the fare before travelling (approx £15 as a guideline which is reasonable if four people share)
a more detailed list is available here.