- Massack
- Merlin
- Moccasin
- Mohawk
- Macomber Palms
- March Air Force Base
- March Field
- Martinez
- Mead Valley
- Meadowbrook
- Menifee
- Mesa Verde
- Mesaville
- Miller Farms
- Mons
- Moonlight Rim
- Moreno Knolls
- Mortmar
- Mackenson
- Malby Crossing
- Manlove
- Mather Field
- Mayhew
- McClellan Park
- Montezuma Island
- Morse
- Manix
- Mariana Ranchos
- Mars
- Midway