Zip Codes in Northumberland, Pennsylvania
| Zip Code | Population | Zip Code | Population | Zip Code | Population | Zip Code | Population |
|---|---|---|---|---|---|---|---|
| 3,804 |
| Zip Code | Population |
|---|---|
| 3,804 |
© 2025
| Zip Code | Population | Zip Code | Population | Zip Code | Population | Zip Code | Population |
|---|---|---|---|---|---|---|---|
| 3,804 |
| Zip Code | Population |
|---|---|
| 3,804 |