| Middlesex Zip Codes, New Jersey |
| State | County/Borough | Town/City | Zipcode |
| New Jersey | Middlesex | Avenel | 7001 |
| New Jersey | Middlesex | Carteret | 7008 |
| New Jersey | Middlesex | Colonia | 7067 |
| New Jersey | Middlesex | Cranbury | 8512 |
| New Jersey | Middlesex | Dayton | 8810 |
| New Jersey | Middlesex | East Brunswick | 8816 |
| New Jersey | Middlesex | Edison | 8817 |
| New Jersey | Middlesex | Fords | 8863 |
| New Jersey | Middlesex | Helmetta | 8828 |
| New Jersey | Middlesex | Highland Park | 8904 |
| New Jersey | Middlesex | Iselin | 8830 |
| New Jersey | Middlesex | Keasbey | 8832 |
| New Jersey | Middlesex | Kendall Park | 8824 |
| New Jersey | Middlesex | Metuchen | 8840 |
| New Jersey | Middlesex | Middlesex | 8846 |
| New Jersey | Middlesex | Milltown | 8850 |
| New Jersey | Middlesex | Monmouth Junction | 8852 |
| New Jersey | Middlesex | Monroe Township | 8831 |
| New Jersey | Middlesex | New Brunswick | 8901 |
| New Jersey | Middlesex | North Brunswick | 8902 |
| New Jersey | Middlesex | Old Bridge | 8857 |
| New Jersey | Middlesex | Parlin | 8859 |
| New Jersey | Middlesex | Perth Amboy | 8861 |
| New Jersey | Middlesex | Piscataway | 8854 |
| New Jersey | Middlesex | Plainsboro | 8536 |
| New Jersey | Middlesex | Port Reading | 7064 |
| New Jersey | Middlesex | Sayreville | 8871 |
| New Jersey | Middlesex | Sewaren | 7077 |
| New Jersey | Middlesex | South Amboy | 8879 |
| New Jersey | Middlesex | South Plainfield | 7080 |
| New Jersey | Middlesex | South River | 8882 |
| New Jersey | Middlesex | Spotswood | 8884 |
| New Jersey | Middlesex | Woodbridge | 7095 |
| Middlesex Cities Zipcodes |
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