Newcastle, CA
ZIP Codes in Newcastle, California
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 95658 | 5,974 | 38.8812, -121.1690 |
Newcastle has 1 ZIP code
ZIP Codes in Newcastle, California
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 95658 | 5,974 | 38.8812, -121.1690 |