Please note: a User ID and password is required to obtain access to Greater Wyoming FCU’s mobile banking application. Please visit one of our branches or call our customer service line during business hours at (307)234-5662 or (888)606-5662, to sign up. Without a User ID and password, you will be unable to sign in with this application. There is no charge from GWFCU. Your mobile carrier’s text messaging and web access charges may apply.