New Castle zipcode
| City | New Castle |
| ZIP Code | 81647 |
| Type | Standard |
| State Code | CO |
| State | Colorado |
ZIP code of New Castle is 81647. This place is located in Colorado state in US. To send any postal service to New Castle, you must use 81647 zipcode.
| City | New Castle |
| ZIP Code | 81647 |
| Type | Standard |
| State Code | CO |
| State | Colorado |
ZIP code of New Castle is 81647. This place is located in Colorado state in US. To send any postal service to New Castle, you must use 81647 zipcode.
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