| | 4203632 | Avis borough | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4204984 | Beech Creek borough | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4211648 | Castanea CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4214368 | Clintondale CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4220416 | Dunnstown CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4225376 | Farwell CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4226296 | Flemington borough | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4236656 | Hyner CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4241104 | Lamar CDP | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | N |
| | 4244128 | Lock Haven city | Clinton County | PA | Lock Haven, PA 30820 | Williamsport-Lock Haven,
PA 558 | Y |