Barrios de Indiana M
- Mapleton Fall Creek (23)
- Marian Cold Springs (2)
- Market East (3)
- Mars Hill (11)
- Martindale-Brightwood (51)
- Maywood (1)
- Meadows (9)
- Memorial Park (4)
- Meridian Hills (4)
- Meridian Kessler (8)
- Michigan Avenue (5)
- Midtown Gary (13)
- Miles (1)
- Miller (11)
- Millersville (10)
- Millstone (2)
- Mishawaka (34)
- Mount Vernon Park (3)