| Post Office | Hackettstown |
| Division | Warren |
| Pincode | 7840 |
| Post Office | Phillipsburg |
| Division | Warren |
| Pincode | 8865 |
| Post Office | Washington |
| Division | Warren |
| Pincode | 7882 |
| Post Office | Blairstown |
| Division | Warren |
| Pincode | 7825 |
| Post Office | Belvidere |
| Division | Warren |
| Pincode | 7823 |
| Post Office | Stewartsville |
| Division | Warren |
| Pincode | 8886 |
18 City in Warren | List of Zip Codes Location In New Jersey and Your selected County Warren
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