How to contact NSIDC

Thank you for your interest in the National Snow and Ice Data Center. We strive to acknowledge all correspondence within one working day. Our hours of operation are 9:00 A.M. to 5:00 P.M., U.S. Mountain Time, Monday through Friday. We are closed on most major United States holidays. Please contact us if you need information or assistance with data.

National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
Boulder, CO 80309-0449 USA
phone: +1 303.492.6199
fax: +1 303.492.2468
form: Contact NSIDC User Services
email: nsidc@nsidc.org