| Locality | Post Code |
|---|---|
| Avenel, Middlesex | 07001 |
| Carteret, Middlesex | 07008 |
| Colonia, Middlesex | 07067 |
| Cranbury, Middlesex | 08512 |
| Dayton, Middlesex | 08810 |
| Dunellen, Middlesex | 08812 |
| East Brunswick, Middlesex | 08816 |
| East Windsor, Middlesex | 08512 |
| Edison, Middlesex | 08817, 08818, 08820, 08837, 08899 |
| Fords, Middlesex | 08863 |
| Green Brook, Middlesex | 08812 |
| Helmetta, Middlesex | 08828 |
| Highland Park, Middlesex | 08904 |
| Hopelawn, Middlesex | 08861 |
| Iselin, Middlesex | 08830 |
| Jamesburg, Middlesex | 08831 |
| Keasbey, Middlesex | 08832 |
| Kendall Park, Middlesex | 08824 |
| Laurence Harbor, Middlesex | 08879 |
| Menlo Park, Middlesex | 08837 |
| Metuchen, Middlesex | 08840 |
| Middlesex, Middlesex | 08846 |
| Milltown, Middlesex | 08850 |
| Monmouth Junction, Middlesex | 08852 |
| Monroe, Middlesex | 08831 |
| Monroe Township, Middlesex | 08831 |