First Community Credit Union of Marinette Address: 1700 Stephenson St, Marinette, WI 54143 Phone: (715) 732-2840 Banks, Credit Unions Other Businesses: Stephenson National Bancorp at 1820 Hall Ave, Marinette, WI 54143 Farmers & Merchants Bank-Trust at 1644 Ludington St, Marinette, WI 54143 Stephenson National Bank & Trust at 1820 Hall Ave, Marinette, WI 54143 Wells Fargo Bank at 180 State St, Marinette, WI 54143