Northumberland County, PA Zip Code and Maps
Northumberland County has 18 zip codes. See all zip codes in List View or use the map below to review.
Northumberland County Zip Codes by Population
17801 16,28817866 10,48417872 9,71817851 7,62717857 7,50217834 3,73917860 2,46717881 1,46717868 1,24217832 65117850 62317840 42917749 30217730 26717836 21217867 13817865 11717877