Barrios de Missouri M
- Manheim Park (10)
- Maple Park (1)
- Maple Park West (4)
- Marina Villa (1)
- Marlborough (2)
- Marlborough East (2)
- Marlborough Heights/Pride (7)
- Martin City (1)
- Maryland Heights (12)
- McCoy (1)
- McKinley Heights (3)
- Meadowbrook Heights (12)
- Mehlville (13)
- Metro Heights (5)
- Mexico Gravel (1)
- Midtown Springfield (4)
- Midtown St Louis (10)
- Mission Lake (2)
- Moline Acres (1)
- Mount Hope (2)
- Mount Pleasant (1)
- Mt Washington (4)
- Murphy (3)