User Services and general information:

Email: [email protected]
Phone: +1 303.492.6199

Mailing address:

National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
Boulder, CO 80309-0449 USA

We strive to acknowledge all correspondence within one working day. We are open from 9:00 A.M. to 5:00 P.M., U.S. Mountain Time, Monday through Friday, excluding U.S. holidays.

Members of the media:

[email protected] or
+1 303.492.1497