Newcastle zipcode
| City | Newcastle |
| ZIP Code | 68757 |
| Type | Standard |
| State Code | NE |
| State | Nebraska |
ZIP code of Newcastle is 68757. This place is located in Nebraska state in US. To send any postal service to Newcastle, you must use 68757 zipcode.
The ZIP code 68757 is also used with 1 more city name of Nebraska.
- Obert, NE