Williamsport, PA ZIP codes
Williamsport, Pennsylvania has 4 ZIP codes, including 2 PO Box ZIPs. They are in Lycoming County.
- Population in these ZIPs
- 53,592
- Avg. median income
- $56,600population-weighted
- Typical home value
- $204,400population-weighted
- Metro area
- Williamsport, PA
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Williamsport, PA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 17701 | Lycoming County | 43,104 | $53,237 | $201,200 |
| 17702 | Lycoming County | 10,488 | $70,210 | $217,500 |
| 17703 PO Box | Lycoming County | — | — | — |
| 17705 PO Box | Lycoming County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Williamsport
- Montoursville 6 mi
- Cogan Station 6 mi
- Montgomery 7 mi
- Linden 9 mi
- Trout Run 11 mi
- Allenwood 12 mi
- Antes Fort 13 mi
- Dewart 13 mi
- Muncy 14 mi
- Watsontown 15 mi
- White Deer 15 mi
- Picture Rocks 15 mi
Frequently asked questions
What is the ZIP code for Williamsport, PA?
Williamsport, PA has 4 ZIP codes: 17701, 17702, 17703 and 17705.
What county is Williamsport, Pennsylvania in?
Williamsport ZIP codes are in Lycoming County.
Which Williamsport ZIP codes are PO Boxes?
17703 and 17705 are PO Box or single-organization ZIP codes; they have no residential delivery area.