New Castle zipcode
| City | New Castle |
| ZIP Code | 16103 |
| Type | PO Box |
| State Code | PA |
| State | Pennsylvania |
ZIP code of New Castle is 16103. This place is located in Pennsylvania state in US. To send any postal service to New Castle, you must use 16103 zipcode.
| City | New Castle |
| ZIP Code | 16103 |
| Type | PO Box |
| State Code | PA |
| State | Pennsylvania |
ZIP code of New Castle is 16103. This place is located in Pennsylvania state in US. To send any postal service to New Castle, you must use 16103 zipcode.
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