| Zip Code | City | County |
|---|---|---|
| 08801 | Annandale | Hunterdon County |
| 08802 | Pattenburg | Hunterdon County |
| 08802 | Asbury | Hunterdon County |
| 08803 | Baptistown | Hunterdon County |
| 08804 | Bloomsbury | Hunterdon County |
| 08805 | Bound Brook | Somerset County |
| 08807 | Bridgewater | Somerset County |
| 08808 | Broadway | Warren County |
| 08809 | Clinton | Hunterdon County |
| 08810 | Dayton | Middlesex County |
| 08812 | Dunellen | Middlesex County |
| 08812 | Green Brook | Middlesex County |
| 08816 | East Brunswick | Middlesex County |
| 08817 | Edison | Middlesex County |
| 08818 | Edison | Middlesex County |
| 08820 | Edison | Middlesex County |
| 08821 | Flagtown | Somerset County |
| 08822 | Flemington | Hunterdon County |
| 08823 | Franklin Park | Somerset County |
| 08824 | Kendall Park | Middlesex County |
| 08825 | Frenchtown | Hunterdon County |
| 08826 | Glen Gardner | Hunterdon County |
| 08827 | Hampton | Hunterdon County |
| 08828 | Helmetta | Middlesex County |
| 08829 | High Bridge | Hunterdon County |
| 08830 | Iselin | Middlesex County |
| 08831 | Monroe Township | Middlesex County |
| 08831 | Monroe Twp | Middlesex County |
| 08831 | Jamesburg | Middlesex County |
| 08831 | Monroe | Middlesex County |
| 08832 | Keasbey | Middlesex County |
| 08833 | Lebanon | Hunterdon County |
| 08834 | Little York | Hunterdon County |
| 08835 | Manville | Somerset County |
| 08836 | Martinsville | Somerset County |
| 08837 | Edison | Middlesex County |
| 08840 | Metuchen | Middlesex County |
| 08844 | Hillsborough | Somerset County |
| 08846 | Middlesex | Middlesex County |
| 08848 | Milford | Hunterdon County |
| 08850 | Milltown | Middlesex County |
| 08852 | Monmouth Junction | Middlesex County |
| 08853 | Neshanic Sta | Somerset County |
| 08854 | Piscataway | Middlesex County |
| 08855 | Piscataway | Middlesex County |
| 08857 | Old Bridge | Middlesex County |
| 08858 | Oldwick | Hunterdon County |
| 08859 | Parlin | Middlesex County |
| 08861 | Perth Amboy | Middlesex County |
| 08862 | Perth Amboy | Middlesex County |
| 08863 | Fords | Middlesex County |
| 08863 | Perth Amboy | Middlesex County |
| Zip Code | City | County |
|---|---|---|
| 08865 | Alpha | Warren County |
| 08865 | Phillipsburg | Warren County |
| 08867 | Pittstown | Hunterdon County |
| 08868 | Quakertown | Hunterdon County |
| 08869 | Raritan | Somerset County |
| 08870 | Readington | Hunterdon County |
| 08871 | Sayreville | Middlesex County |
| 08872 | Sayreville | Middlesex County |
| 08873 | Somerset | Somerset County |
| 08875 | East Millstone | Somerset County |
| 08875 | Somerset | Somerset County |
| 08876 | North Branch | Somerset County |
| 08876 | Somerville | Somerset County |
| 08879 | Laurence Harbor | Middlesex County |
| 08879 | South Amboy | Middlesex County |
| 08880 | South Bound Brook | Somerset County |
| 08882 | South River | Middlesex County |
| 08884 | Spotswood | Middlesex County |
| 08885 | Stanton | Hunterdon County |
| 08886 | Stewartsville | Warren County |
| 08887 | Three Bridges | Hunterdon County |
| 08888 | Whitehouse | Hunterdon County |
| 08889 | Whitehouse | Hunterdon County |
| 08890 | Zarephath | Somerset County |
| 08899 | Edison | Middlesex County |