Sheriffs Office Emergency Dispatch Numbers--cavalier County Langdon, ND 58249 Phone : (701) 256-2555 Business Category Government Offices-City Village & Twp Government Offices-County Police Departments Government Offices State & Local Government Offices & Public Schools Sheriff--cavalier County Sheriff Langdon, ND 58249 Phone : (701) 256-2555 Business Category Government Offices-City Village & Twp Government Offices-County Police Departments Government Offices State & Local Government Offices & Public Schools Langdon City--police 516 10th Ave Langdon, ND 58249 Phone : (701) 256-2555 Business Category Government Offices-City Village & Twp Government Offices-County Police Departments Government Offices State & Local Government Offices & Public Schools Police--cavalier Co Langdon, ND 58249 Phone : (701) 256-2555 Business Category Government Offices-City Village & Twp Government Offices-County Police Departments Government Offices State & Local Government Offices & Public Schools Cavalier County Of--sheriff 901 3rd St Langdon, ND 58249 Phone : (701) 256-2555 Business Category Government Offices-City Village & Twp Government Offices-County Police Departments Government Offices State & Local Sheriff Government Offices & Public Schools