Contact Us

WyHy Call Center
Telephone 307-638-4200 or 800-442-2392 view our current phone menu
Fax (Cheyenne) 307-638-4201
Fax (Casper) 307-234-2389
Email Addresses
Department Email
Investment Financial Services
Member Services
Supervisory Committee
Human Resources

Mailing Address

For general mailing, payment submissions and insurance verifications:

WyHy Federal Credit Union
P.O. Box 20050
Cheyenne, WY 82003

Sponsorship & Donation Requests

To fill out our Sponsorship & Donation Request Form, please click here.

Supervisory Committee

If you have any unresolved errors or problems on any statement of account you have received, please contact us in writing at:

WyHy Supervisory Committee
P.O. Box 2344
Cheyenne, WY 82003-2344

Or by email:
Please be sure you do not attach your Social Security Number or Account Number to any email to ensure your personal account information is protected.