Middlesex County, New Jersey ZIP codes
44ZIP codes
33Cities and towns
850,591People in ZIP areas
347, 609, 640Area codes
Middlesex 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 Middlesex County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 07001 | Avenel | Standard | 17,121 | $101,670 |
| 07008 | Carteret | Standard | 25,526 | $97,021 |
| 07064 | Port Reading | Standard | 3,481 | $133,854 |
| 07067 | Colonia | Standard | 18,587 | $122,713 |
| 07077 | Sewaren | Standard | 3,248 | $108,948 |
| 07080 | South Plainfield | Standard | 24,411 | $130,205 |
| 07095 | Woodbridge | Standard | 20,756 | $104,926 |
| 08536 | Plainsboro | Standard | 20,817 | $137,607 |
| 08810 | Dayton | Standard | 7,952 | $151,902 |
| 08812 | Dunellen | Standard | 14,224 | $118,316 |
| 08816 | East Brunswick | Standard | 49,360 | $143,586 |
| 08817 | Edison | Standard | 49,020 | $110,808 |
| 08818 | Edison | PO Box only | – | – |
| 08820 | Edison | Standard | 39,978 | $171,363 |
| 08824 | Kendall Park | Standard | 13,366 | $174,776 |
| 08828 | Helmetta | Standard | 2,459 | $98,952 |
| 08830 | Iselin | Standard | 19,551 | $109,500 |
| 08831 | Monroe Township | Standard | 55,658 | $109,042 |
| 08832 | Keasbey | Standard | 2,252 | – |
| 08837 | Edison | Standard | 19,437 | $102,605 |
| 08840 | Metuchen | Standard | 18,206 | $146,635 |
| 08846 | Middlesex | Standard | 14,645 | $105,000 |
| 08850 | Milltown | Standard | 8,538 | $141,601 |
| 08852 | Monmouth Junction | Standard | 18,062 | $133,209 |
| 08854 | Piscataway | Standard | 61,088 | $127,806 |
| 08855 | Piscataway | PO Box only | – | – |
| 08857 | Old Bridge | Standard | 40,891 | $109,312 |
| 08859 | Parlin | Standard | 25,448 | $99,882 |
| 08861 | Perth Amboy | Standard | 59,351 | $64,491 |
| 08862 | Perth Amboy | PO Box only | – | – |
| 08863 | Fords | Standard | 12,771 | $115,861 |
| 08871 | Sayreville | PO Box only | – | – |
| 08872 | Sayreville | Standard | 20,204 | $97,489 |
| 08879 | South Amboy | Standard | 23,556 | $92,786 |
| 08882 | South River | Standard | 16,124 | $96,147 |
| 08884 | Spotswood | Standard | 8,187 | $104,702 |
| 08899 | Edison | Standard | – | – |
| 08901 | New Brunswick | Standard | 57,263 | $65,810 |
| 08902 | North Brunswick | Standard | 43,932 | $121,071 |
| 08903 | New Brunswick | PO Box only | – | – |
| 08904 | Highland Park | Standard | 15,121 | $104,694 |
| 08906 | New Brunswick | PO Box only | – | – |
| 08933 | New Brunswick | Unique | – | – |
| 08989 | New Brunswick | Unique | – | – |
Cities and towns in Middlesex County
- Edison 5 ZIPs
- New Brunswick 5 ZIPs
- Perth Amboy 2 ZIPs
- Piscataway 2 ZIPs
- Sayreville 2 ZIPs
- Avenel 1 ZIP
- Carteret 1 ZIP
- Colonia 1 ZIP
- Dayton 1 ZIP
- Dunellen 1 ZIP
- East Brunswick 1 ZIP
- Fords 1 ZIP
- Helmetta 1 ZIP
- Highland Park 1 ZIP
- Iselin 1 ZIP
- Keasbey 1 ZIP
- Kendall Park 1 ZIP
- Metuchen 1 ZIP
- Middlesex 1 ZIP
- Milltown 1 ZIP
- Monmouth Junction 1 ZIP
- Monroe Township 1 ZIP
- North Brunswick 1 ZIP
- Old Bridge 1 ZIP
- Parlin 1 ZIP
- Plainsboro 1 ZIP
- Port Reading 1 ZIP
- Sewaren 1 ZIP
- South Amboy 1 ZIP
- South Plainfield 1 ZIP
- South River 1 ZIP
- Spotswood 1 ZIP
- Woodbridge 1 ZIP
Area codes in Middlesex County
Questions
- How many ZIP codes are in Middlesex County, NJ?
- Middlesex County has 44 ZIP codes, 36 of them standard ZIP codes for street addresses.
- What cities are in Middlesex County?
- Middlesex County ZIP codes cover Edison, New Brunswick, Perth Amboy, Piscataway, Sayreville, Avenel, Carteret and Colonia and 25 other places.
- What area code is Middlesex County, NJ?
- Middlesex County uses area codes 347, 609, 640, 718, 732, 848, 908, 917 and 929.
- What time zone is Middlesex County in?
- Middlesex County is in Eastern Time.