- Oxford Park
- Oak Grove
- Oak Park
- Ogreeta
- Oakgrove
- Olive Grove
- Ora
- Osborne Apartments
- Oak Dale Crossroads
- Old Dock
- Olyphic
- Oakdale
- Old Town Harbor
- Owens
- Ocean Hills
- Olds
- Oak Ridge
- Oxford
- Ogden
- Ocean Dunes
- Ocean Pines
- Off Island
- Osprey
- Outer Banks
- Oakwood Acres
- Old Mill
- Oakland Heights
- Outlaws Bridge
- Oak Grove
- Orange Factory