Delaware Cities
- Magnolia, DE
- Mahan, DE
- Manette Heights, DE
- Manor Park, DE
- Maplecrest, DE
- Marabou Meadows, DE
- Marker Estates, DE
- Marshallton, DE
- Marshtown, DE
- Marvels Crossroads, DE
- Marydel, DE
- Masonicville, DE
- Mayfield, DE
- McClellandville, DE
- McDaniel Heights, DE
- McDonalds Crossroads, DE
- McDonough, DE
- Meadow Acres, DE
- Meadowbrook, DE
- Meadowbrook Acres, DE
- Meadowood, DE
- Mechanicsville, DE
- Meeting House Hill, DE
- Melvin Crossroads, DE
- Melvins, DE
- Melvins Crossroads, DE
- Mermaid, DE
- Middleboro Manor, DE
- Middleford, DE
- Middlesex Beach, DE
- Middletown, DE
- Midnight Thicket, DE
- Midvale, DE
- Midway, DE
- Midway Park, DE
- Milford, DE
- Milford Crossroads, DE
- Milford Meadows, DE
- Mill Creek, DE
- Millpond Acres, DE
- Millsboro, DE
- Millside, DE
- Milltown, DE
- Millville, DE
- Milton, DE
- Minquadale, DE
- Mispillion Light, DE
- Mission, DE
- Mockingbird Hills, DE
- Monroe Park, DE
- Montchanin, DE
- Morris Mill, DE
- Mount Cuba, DE
- Mount Joy, DE
- Mount Pleasant, DE
