ZIP codes in Susquehanna County
33 ZIPs touch Susquehanna County, Pennsylvania. The blue dashed line is the county border; orange ZIPs reach into it.
33
ZIP codes
13
cross the county line
66,853
people in these ZIPs
67
counties in PA
Most people
Susquehanna County ZIP list
More counties in Pennsylvania
- Pike County19
- Potter County15
- Schuylkill County61
- Snyder County19
- Somerset County46
- Sullivan County13
- Tioga County25
- Union County15
- Venango County24
- Warren County24
- Washington County67
- Wayne County33
Questions people actually ask
How many ZIP codes are in Susquehanna County, Pennsylvania?
33 ZIP codes reach into Susquehanna County, including 2 PO Box or single-address ZIPs placed by the town they serve. 13 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Susquehanna County has the most people?
18407 (Carbondale) has about 14,445 residents, the most of any ZIP touching Susquehanna County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Susquehanna County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Susquehanna County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from