- Madison
- Madison Heights
- Makemie Park
- Manassas
- Manassas Park
- Mantua
- Mappsburg
- Mappsville
- Marion
- Marshall
- Martinsville
- Massanetta Springs
- Massanutten
- Massanutten
- Mathews
- Matoaca
- Maurertown
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- McKenney
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- McMullin
- Meadowbrook
- Meadowview
- Mechanicsville
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- Merrimac
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- Moorefield Station
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- Mountain Road
