Where is the north dakota secretary of state located? North Dakota Secretary of State Business Services. Address: Secretary of State, State of North Dakota, 600 E Boulevard Avenue Dept 108, Bismarck ND 58505-0500. Telephone: 1(800)352-0867 ext.How to contact the north dakota state department of public safety? State of North Dakota 600 E Boulevard Avenue Dept 108 Bismarck ND 58505-0500 Telephone: 701-328-2900How to search for a business entity in north dakota? Search for a business entity (Corporation, LLC, Limited Partnership) in North Dakota by using the Secretary of State’s Website. You will have the option to lookup by Name (*It is highly recommended to use as many matching terms when using the Name option), ID Number, Officer (Owner), License Number, City (of Principal Office Address), and County.How do i register for oneone in north dakota? One registration adds your number to both the North Dakota and the national list. The law applies only to personal phones, not those used for business purposes. Call toll-free (888) 382-1222, using the phone you wish to register. Your number stays on the Do Not Call list until you remove it.