Law Enforcement Agencies in Langdon, ND ND › Cavalier County Agencies serving the city of Langdon in ND. Agency Types in Langdon Coroners 1 agencies Port Of Entry 1 agencies Sheriff 1 agencies All Agencies in Langdon, ND Cavalier County Coroners Office Cavalier County Cavalier County Sheriffs Department Cavalier County Port of Entry Cavalier County
