Mercer County, New Jersey ZIP codes
39ZIP codes
11Cities and towns
408,599People in ZIP areas
215, 267, 445Area codes
Mercer County is in New Jersey and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Mercer County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 08512 | Cranbury | Standard | 12,928 | $118,587 |
| 08520 | Hightstown | Standard | 29,504 | $118,010 |
| 08525 | Hopewell | Standard | 4,522 | $165,324 |
| 08534 | Pennington | Standard | 13,272 | $175,573 |
| 08540 | Princeton | Standard | 50,388 | $176,983 |
| 08541 | Princeton | Unique | – | – |
| 08542 | Princeton | Standard | 2,533 | $105,524 |
| 08543 | Princeton | PO Box only | – | – |
| 08544 | Princeton | Unique | 4,392 | – |
| 08550 | Princeton Junction | Standard | 21,067 | $224,213 |
| 08560 | Titusville | Standard | 3,245 | $128,516 |
| 08561 | Windsor | PO Box only | 325 | – |
| 08601 | Trenton | PO Box only | – | – |
| 08602 | Trenton | PO Box only | – | – |
| 08603 | Trenton | PO Box only | – | – |
| 08604 | Trenton | PO Box only | – | – |
| 08605 | Trenton | PO Box only | – | – |
| 08606 | Trenton | PO Box only | – | – |
| 08607 | Trenton | PO Box only | – | – |
| 08608 | Trenton | Standard | 1,250 | $61,201 |
| 08609 | Trenton | Standard | 15,938 | $68,238 |
| 08610 | Trenton | Standard | 33,465 | $83,906 |
| 08611 | Trenton | Standard | 31,995 | $56,788 |
| 08618 | Trenton | Standard | 35,634 | $50,390 |
| 08619 | Trenton | Standard | 24,089 | $105,946 |
| 08620 | Trenton | Standard | 11,621 | $105,368 |
| 08625 | Trenton | PO Box only | – | – |
| 08628 | Trenton | Standard | 9,831 | $108,158 |
| 08629 | Trenton | Standard | 13,013 | $82,646 |
| 08638 | Trenton | Standard | 22,816 | $66,875 |
| 08645 | Trenton | Unique | – | – |
| 08646 | Trenton | Unique | – | – |
| 08647 | Trenton | Unique | – | – |
| 08648 | Lawrence Township | Standard | 31,323 | $125,514 |
| 08650 | Trenton | PO Box only | – | – |
| 08666 | Trenton | Unique | – | – |
| 08690 | Trenton | Standard | 18,841 | $127,339 |
| 08691 | Robbinsville | Standard | 16,607 | $132,520 |
| 08695 | Trenton | Unique | – | – |
Cities and towns in Mercer County
- Trenton 25 ZIPs
- Princeton 5 ZIPs
- Cranbury 1 ZIP
- Hightstown 1 ZIP
- Hopewell 1 ZIP
- Lawrence Township 1 ZIP
- Pennington 1 ZIP
- Princeton Junction 1 ZIP
- Robbinsville 1 ZIP
- Titusville 1 ZIP
- Windsor 1 ZIP
Area codes in Mercer County
Questions
- How many ZIP codes are in Mercer County, NJ?
- Mercer County has 39 ZIP codes, 21 of them standard ZIP codes for street addresses.
- What cities are in Mercer County?
- Mercer County ZIP codes cover Trenton, Princeton, Cranbury, Hightstown, Hopewell, Lawrence Township, Pennington and Princeton Junction and 3 other places.
- What area code is Mercer County, NJ?
- Mercer County uses area codes 215, 267, 445, 609, 640, 732, 848 and 908.
- What time zone is Mercer County in?
- Mercer County is in Eastern Time.