Northumberland County Pennsylvania ZIP Codes - Map and Full List

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 21 Standard ZIP Codes and 7 PO Box ZIP Codes.

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Northumberland County Pennsylvania ZIP Code Map

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.

List of ZIP Codes in Northumberland County

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