• Welcome to the new nsidc.org! To get acquainted with what's changed, read our spotlight article: NSIDC.org website: New look and new features.

    Please note that we are in a beta launch of this website. During the beta phase, our website search may act unpredictably until the website stabilizes.

Contact Us

Contact Us

User Services and general information

Email: nsidc@nsidc.org
Phone: +1 303.492.6199

Members of the media

press@nsidc.org or
+1 303.492.1497

Make sure to visit our For the media page to check out our media resources.

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.