Place
- Pennsylvania--Lehigh Gap2
- Pennsylvania--Lemoyne2
- Pennsylvania--Lilly2
- Pennsylvania--Lineville Station2
- Pennsylvania--Littlestown2
- Pennsylvania--Locust Gap2
- Pennsylvania--Lost Creek2
- Pennsylvania--Madera2
- Pennsylvania--Manor2
- Pennsylvania--Marcus Hook2
- Pennsylvania--Mars2
- Pennsylvania--Martinsburg2
- Pennsylvania--Marysville2
- Pennsylvania--McAdoo2
- Pennsylvania--Middleburg2
- Pennsylvania--Midland2
- Pennsylvania--Midway2
- Pennsylvania--Millsboro2
- Pennsylvania--Miner's Mills2
- Pennsylvania--Mogeetown2