| | Duboistown borough | 4220144 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Duboistownborough+PA |
| | Hughesville borough | 4236160 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Hughesvilleborough+PA |
| | Jersey Shore borough | 4238128 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=JerseyShoreborough+PA |
| | Montgomery borough | 4250632 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Montgomeryborough+PA |
| | Montoursville borough | 4250720 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Montoursvilleborough+PA |
| | Muncy borough | 4252264 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Muncyborough+PA |
| | Picture Rocks borough | 4260136 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=PictureRocksborough+PA |
| | Salladasburg borough | 4267616 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=Salladasburgborough+PA |
| | South Williamsport
borough | 4272648 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | | https://maps.google.com/?q=SouthWilliamsportborough+PA |
| | Williamsport city | 4285312 | Lycoming County 42081 | PA | Williamsport, PA 48700 | Williamsport-Lock Haven,
PA 558 | Y | https://maps.google.com/?q=Williamsportcity+PA |