Zip Code | Primary City | Secondary City | 08609 | Trenton | Hamilton | 08610 | Trenton | Hamilton, Township, Twp, | 08611 | Trenton | Hamilton, Township, Twp, | 08619 | Trenton | Hamilton, Township, Twp, Mercerville, | 08620 | Trenton | Hamilton, Township, Twp, Groveville, | 08629 | Trenton | Hamilton, Township, Twp, | 08650 | Trenton | Hamilton | 08690 | Trenton | Hamilton, Township, Twp, Square, Sq | 08691 | Trenton | Hamilton, Township, Twp, Uppr Free Twp, Robbinsville, |
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