Here’s all our traditional contact information in one place. For social media, see our get in touch page.


This is usually the fastest option. We have an easy email form that allows you to contact any of several people on our staff, depending on what you need to talk about. Plus, you can use it to arrange to talk with us in other ways, such as Skype, Zoom, Google Hangouts, etc.


If you call, be ready to leave a clear message, because we don’t have someone waiting by the phone to answer all the time except during the summer (sorry!), and even then only during the day. Include your name, phone number, where you’re calling from, and some good times for us to call back.

  • Toll-free: 800-292-1621
  • If calling from other countries:
    • Year-round: +1-701-587-3120
    • Summers only (late May through early August): +1-701-777-0575

mail the old fashioned way

These addresses are still important for a few things, like mailing checks.

During the summer (late May through early August):

Dr. Albert Bickford, Director
Summer Institute of Linguistics
2901 University Avenue Stop 8217
Grand Forks ND 58202-8217

During the rest of the year (mid August through mid May):

Dr. Albert Bickford
SIL-UND Director
16131 N. Vernon Dr.
Tucson AZ 85739-9395