Mercer County, New Jersey — ZIP directory
19 ZIP codes in Mercer County. Pick a ZIP for services, power context, permits, and FAQs written for homeowners.
- Hightstown 08520 — Hightstown
- Hopewell 08525 — Hopewell
- Pennington 08534 — Pennington
- Princeton 08540 — Princeton
- Princeton 08542 — Princeton
- Princeton Junction 08550 — Princeton Junction
- Titusville 08560 — Titusville
- Trenton 08609 — Trenton
- Trenton 08610 — Trenton
- Trenton 08611 — Trenton
- Trenton 08618 — Trenton
- Trenton 08619 — Trenton
- Trenton 08620 — Trenton
- Trenton 08628 — Trenton
- Trenton 08629 — Trenton
- Trenton 08638 — Trenton
- Lawrence Township 08648 — Lawrence Township
- Trenton 08690 — Trenton
- Trenton 08691 — Trenton