The Lock Haven, PA MSA has 18 ZIP codes, listed below in numerical order. Sort this list by county or by population.
| ZIP Code | Place Name | County | Type |
|---|---|---|---|
| ZIP 16822 | Beech Creek | Clinton County | Standard |
| ZIP 16845 | Karthaus | Centre County | Standard |
| ZIP 16848 | Lamar | Clinton County | PO Box |
| ZIP 16871 | Pottersdale | Clinton County | Standard |
| ZIP 17721 | Avis | Clinton County | PO Box |
| ZIP 17726 | Castanea | Clinton County | PO Box |
| ZIP 17729 | Cross Fork | Potter County | Standard |
| ZIP 17740 | Jersey Shore | Lycoming County | Standard |
| ZIP 17745 | Lock Haven | Clinton County | Standard |
| ZIP 17747 | Loganton | Clinton County | Standard |
| ZIP 17748 | McElhattan | Clinton County | PO Box |
| ZIP 17750 | Mackeyville | Clinton County | PO Box |
| ZIP 17751 | Mill Hall | Clinton County | Standard |
| ZIP 17760 | North Bend | Clinton County | Standard |
| ZIP 17764 | Renovo | Clinton County | Standard |
| ZIP 17778 | Westport | Clinton County | Standard |
| ZIP 17779 | Woolrich | Clinton County | PO Box |
| ZIP 17810 | Allenwood | Lycoming County | Standard |