Security First Agency of North Dakota Share: Insurance Security First Agency of North Dakota Visit Website 3000 N 14th Street, Ste 2C Bismarck, ND 58503 (701) 250-9001 (701) 250-7097 (fax) About Map About Security First Agency of North Dakota is a locally owned, independent insurance agency. Products range from home, auto, farm, crop and business insurance, to life, health and long term care. What's Nearby? Distance: 5 10 15 20 25 50 mi.