Black Diamond Transportation, Inc. Office Location: 82 Prince Street, Kingston, New York 12401 Phone Numbers: 845.338.8426, Toll Free 877.740.LIMO Office Hours: 7 days a week, 8am - 8pm Hours of Operation: 7 days a week, 24 hours a day Holiday Closures: Black Diamond Transportation operates on all major holidays EXCEPT Christmas day. The office closes and operations stop at 5:00pm on December 24th and re-open on December 26th. Additionally, we are closed each year on Sunday of Labor Day Weekend for our staff appreciation picnic.