- Lewistown, PA(1)
- Ligonier, PA(1)
- Limerick, PA(4)
- Linesville, PA(1)
- Linglestown, PA(4)
- Lititz, PA(4)
- Liverpool, PA(1)
- Lock Haven, PA(20)
- Lower Burrell, PA(1)
- Luzerne, PA(1)
- Macungie, PA(5)
- Madera, PA(1)
- Mahaffey, PA(1)
- Malvern, PA(15)
- Manchester, PA(4)
- Manheim, PA(4)
- Mansfield, PA(3)
- Marcus Hook, PA(1)
- Marion Center, PA(1)
- Marysville, PA(4)
- Mcadoo, PA(2)
- Mcdonald, PA(3)
- Mckean, PA(1)
- Mckees Rocks, PA(3)
- Mckeesport, PA(2)
- Mcmurray, PA(3)
- Meadville, PA(7)
- Mechanicsburg, PA(10)
- Media, PA(10)
- Melcroft, PA(1)
- Mercer, PA(2)
- Mercersburg, PA(1)
- Meyersdale, PA(3)
- Middleburg, PA(1)
- Midland, PA(1)
- Mifflintown, PA(2)
- Milford, PA(4)
- Mill Hall, PA(1)
- Millbourne, PA(1)
- Millersburg, PA(2)
- Millerstown, PA(1)
- Millerton, PA(2)
- Millville, PA(1)
- Milroy, PA(1)
- Milton, PA(2)
- Minersville, PA(1)
- Mohnton, PA(3)
- Mohrsville, PA(1)
- Monaca, PA(5)
- Monongahela, PA(1)
- Monroeville, PA(11)
- Montoursville, PA(1)
- Montrose, PA(2)
- Moon Township, PA(3)
- Morrisdale, PA(4)
- Morrisville, PA(25)
- Mount Joy, PA(5)
- Mountain Top, PA(1)
- Mountville, PA(3)
- Mt Carmel, PA(3)