Northumberland, PA ZIP code
The ZIP code for Northumberland, Pennsylvania is 17857. It is in Northumberland County.
- Population in these ZIPs
- 7,671
- Avg. median income
- $67,300population-weighted
- Typical home value
- $224,200population-weighted
- Metro area
- Sunbury, PA
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Northumberland, PA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 17857 | 7,671 | $67,298 | $224,200 |
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 Northumberland
- Potts Grove 4 mi
- Montandon 5 mi
- Milton 6 mi
- Shamokin Dam 6 mi
- Sunbury 7 mi
- Riverside 8 mi
- West Milton 8 mi
- Danville 8 mi
- Winfield 9 mi
- Lewisburg 9 mi
- Washingtonville 10 mi
- Mc Ewensville 10 mi
Frequently asked questions
What is the ZIP code for Northumberland, PA?
The ZIP code for Northumberland, PA is 17857.
What county is Northumberland, Pennsylvania in?
Northumberland ZIP codes are in Northumberland County.