SJN Bank Of Kansas Address: 116 E 3rd Ave, St John, KS 67576 Phone: (620) 549-3225 Banks Other Businesses: Sjn Banc Co at 116 E 3rd Ave, St John, KS 67576 American State Bank & Trust Co at 216 N Main St, St John, KS 67576 South Branch at 414 S Broadway St, St John, KS 67576 Dewayne's Tank Service Inc at 412 W 1st Ave, St John, KS 67576