Northumberland, PA
ZIP Codes in Northumberland, Pennsylvania
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 17857 | 7,708 | 40.9321, -76.7730 |
Northumberland has 1 ZIP code
ZIP Codes in Northumberland, Pennsylvania
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 17857 | 7,708 | 40.9321, -76.7730 |