First Interstate Bank
This page shows the lender name, type, city, state, NMLS ID, and portal or servicer name. Copy-ready clause wording, the mailing address, and phone, fax, and email load here when you are signed in with an active trial (up to 3 lenders) or a paid plan.
Start your 30-day trialWhere to send proof of insurance
Sign in with an active trial or paid plan to see verified EOI routing (portal, email, fax, or mail).
Start your 30-day trialAbout First Interstate Bank
First Interstate Bank appears in the Mortgagee Clauses directory as a regional bank (Casper, WY). Public pages show verification status, portal or servicer names when known, and NMLS when listed.
First Interstate Bank is also known as Great Western Bank.
Name history
- Great Western Bank (merger) 2022-02-01
Browse Wyoming mortgagee clauses.
Common questions
What is the mortgagee clause for First Interstate Bank?
This lender is Verified on Mortgagee Clauses (checked 10/13/2026). Full ISAOA/ATIMA clause text and the insurance mailing address are available to signed-in members with an active trial or paid plan. Public pages list the lender name, category, location, NMLS when available, verification portal name, and verification status.
How do I add First Interstate Bank as mortgagee on a homeowners policy?
Use the exact entity name, ISAOA/ATIMA language, and loss-payee mailing address your lender requires. Mortgagee Clauses publishes verified wording when available; sign in to copy the clause block onto the declarations page or endorsement.
Where do I send proof of insurance for First Interstate Bank?
Check the lender verification portal or servicer instructions on the listing. Signed-in members can view verified proof-of-insurance routing when published.