Modena, Pennsylvania
Mohnton, Pennsylvania
Mohrsville, Pennsylvania
Molltown, Pennsylvania
Monaca, Pennsylvania
Monaghan, Pennsylvania
Monessen, Pennsylvania
Monongahela, Pennsylvania
Monroe, Pennsylvania
Monroeville, Pennsylvania
Mont Alto, Pennsylvania
Mont Clare, Pennsylvania
Montandon, Pennsylvania
Montello, Pennsylvania
Monterey, Pennsylvania
Montgomery, Pennsylvania
Montgomeryville, Pennsylvania
Montour, Pennsylvania
Montoursville, Pennsylvania
Montrose, Pennsylvania
Montrose Manor, Pennsylvania
Montrose Park, Pennsylvania
Monument, Pennsylvania
Moon, Pennsylvania
Moon Run, Pennsylvania
Moore, Pennsylvania
Mooresburg, Pennsylvania
Moorestown, Pennsylvania
Moosic, Pennsylvania
Moreland, Pennsylvania
Morewood, Pennsylvania
Morgan, Pennsylvania
Morgantown, Pennsylvania
Morris, Pennsylvania
Morrisdale, Pennsylvania
Morrisville, Pennsylvania
Morstein, Pennsylvania
Morton, Pennsylvania
Mortonville, Pennsylvania
Morysville, Pennsylvania
