Complete ZIP Code Details
| ZIP Code | 19731 |
| City | Port Penn |
| State | Delaware (DE) |
| County | New Castle |
| Timezone | America/New_York |
| Coordinates | 39.5102000, -75.5961600 |
| Population | 655 |
| ZIP Type | STANDARD |
| Country | United States |
| ZIP Code | 19731 |
| City | Port Penn |
| State | Delaware (DE) |
| County | New Castle |
| Timezone | America/New_York |
| Coordinates | 39.5102000, -75.5961600 |
| Population | 655 |
| ZIP Type | STANDARD |
| Country | United States |