- Mobeetie
- Mobile City
- Mountain Springs
- Monahans
- Mason Crossing
- Mattson
- Middle Crossing
- Montague Village
- Mont Belvieu
- Mallard
- McDonald
- Midline
- Mostyn
- Mount Gainor
- Mount Zion
- Middlewell
- Moore Station
- Morgan Farm Area
- Morgans Point
- Morgans Point Resort
- Morning Glory
- Mount Mitchell
- Mac Bain
- Mount Calm
- Mount Enterprise
- Muleshoe
- Mullin
- Munday
- Muniz
- Murchison