Home>Choose State>Cities in Michigan>Institutions in Saginaw>1st State Bank Locations in Saginaw 1st State Bank Branch Locations in Saginaw, MI 1. 1st State Bank - State Street Branch 5424 State Street, Saginaw, MI 48603 (989) 596-7500 View Branch 2. 1st State Bank - Saginaw Branch 4805 Towne Center Road, Suite 100, Saginaw, MI 48604 View Branch