Northumberland County, Pennsylvania
22 ZIP codes · 457.68 sq mi of land · FIPS 42097
| Population | 90,560 |
|---|---|
| State | Pennsylvania |
| FIPS code | 42097 |
| Time zone | Eastern |
| Land area | 457.68 sq mi |
| Center (lat, long) | 40.8515, -76.7099 |
Area codes in this area
These are the area codes that most often serve Northumberland County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
DalmatiaDewartMc EwensvilleWatsontownSunburyDornsifeHerndonMarion HeightsKulpmontLeck KillLocust GapMiltonMontandonMount CarmelNorthumberlandPaxinosPotts GroveCoal TownshipRebuckRiversideShamokinTrevorton
ZIP codes in Northumberland County
17017 Dalmatia17730 Dewart17749 Mc Ewensville17777 Watsontown17801 Sunbury17823 Dornsife17830 Herndon17832 Marion Heights17834 Kulpmont17836 Leck Kill17840 Locust Gap17847 Milton17850 Montandon17851 Mount Carmel17857 Northumberland17860 Paxinos17865 Potts Grove17866 Coal Township17867 Rebuck17868 Riverside17872 Shamokin17881 Trevorton
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.