- Newdale Colony
- Norfeld Colony
- North Grove Addition
- Nahon
- North Shore
- Nihart
- Nunda
- Naples
- New Holland
- Newell
- Northville
- Nahant
- Novak
- Norway Center
- Newark
- Newport Colony
- Norton Acres
- New Effington
- New Underwood
- Nisland
- North Eagle Butte
- North Sioux City
- North Spearfish
- Napa Junction
- Northshore Development
- Nemo
- Norbeck
- Norris
- Nowlin
- Naomi