N
- Nast
- Nathrop
- Naturita
- Nederland
- Needleton
- Nelson
- Nepesta
- Nevadaville
- New Castle
- New Haven
- New Raymer
- New World West
- Nighthawk
- Ninaview
- Ninemile Corner
- Ninemile Corner
- Niwot
- Noel
- Norfolk
- Norrie
- North Avondale
- North Creede
- Northdale
- North Delta
- Northgate
- Northglenn
- North Washington
- Norwood
- Nucla
- Nunn
- Nutria
- Nyberg