Northumberland County Pennsylvania is covered by a total of 29 ZIP Codes. There are 8 ZIP Codes in Northumberland County that extend into adjacent counties (Columbia County, Dauphin County, Lycoming County, Montour County, and Schuylkill County). Of the ZIP codes within or partially within Northumberland County there are 22 Standard ZIP Codes and 7 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Northumberland County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Dalmatia | Standard | |||
| Dewart | PO Box | |||
| McEwensville | PO Box | |||
| Muncy | Standard | |||
| Turbotville | Standard | |||
| Watsontown | Standard | |||
| Sunbury | Standard | |||
| Danville | Standard | |||
| Dornsife | Standard | |||
| Elysburg | Standard | |||
| Herndon | Standard | |||
| Marion Heights | PO Box | |||
| Kulpmont | Standard | |||
| Leck Kill | Standard | |||
| Locust Gap | Standard | |||
| Milton | Standard | |||
| Montandon | PO Box | |||
| Mount Carmel | Standard | |||
| Northumberland | Standard | |||
| Paxinos | Standard | |||
| Potts Grove | PO Box | |||
| Coal Township | Standard | |||
| Rebuck | Standard | |||
| Riverside | PO Box | |||
| Shamokin | Standard | |||
| Snydertown | PO Box | |||
| Trevorton | Standard | |||
| Klingerstown | Standard | |||
| Pitman | Standard |