| Zip Code | Area Code | City | County | Centroid | Other Information |
| 07045 | | Montville Township | Morris | (40.9147675, -74.347017) | |
| 07082 | 973 | Towaco | Morris | (40.9261, -74.3443) | Observes Daylight Savings Time |
| 07034 | 973 | Lake Hiawatha | Morris | (40.8809, -74.3816) | Observes Daylight Savings Time |
| 07058 | 973 | Pine Brook | Morris | (40.8727, -74.3486) | Observes Daylight Savings Time |
| 07005 | 973 | Boonton | Morris | (40.918, -74.4259) | Observes Daylight Savings Time |
| 07035 | 973 | Lincoln Park | Morris | (40.9239, -74.3048) | Observes Daylight Savings Time |
| 07004 | 973 | Fairfield | Essex | (40.8841, -74.3074) | Observes Daylight Savings Time |
| 07054 | 973 | Parsippany | Morris | (40.862, -74.4061) | Observes Daylight Savings Time |
| 07046 | 973 | Mountain Lakes | Morris | (40.8889, -74.4443) | Observes Daylight Savings Time |
| 07440 | 973 | Pequannock | Morris | (40.9474, -74.2949) | Observes Daylight Savings Time |
| 07444 | 973 | Pompton Plains | Morris | (40.9699, -74.3071) | Observes Daylight Savings Time |
| 07405 | 973 | Butler | Morris | (40.9901, -74.3755) | Observes Daylight Savings Time |
| 07006 | | West Caldwell | Essex | (40.8409329, -74.3018154) | |
| 07006 | 973 | Caldwell | Essex | (40.855, -74.2778) | Observes Daylight Savings Time |
| 07936 | 973 | East Hanover | Morris | (40.8176, -74.3659) | Observes Daylight Savings Time |
| 07878 | 973 | Mount Tabor | Morris | (40.8718, -74.4773) | Observes Daylight Savings Time |
| 07834 | 973 | Denville | Morris | (40.8861, -74.4847) | Observes Daylight Savings Time |
| 07457 | 973 | Riverdale | Morris | (40.9911, -74.3117) | Observes Daylight Savings Time |
| 07866 | 973 | Rockaway | Morris | (40.9438, -74.4801) | Observes Daylight Savings Time |
| 07983 | 973 | Whippany | Morris | (40.8234, -74.4187) | Observes Daylight Savings Time |
| 07007 | 973 | Caldwell | Essex | (40.8397, -74.2769) | Observes Daylight Savings Time |
| 07981 | 973 | Whippany | Morris | (40.8218, -74.422) | Observes Daylight Savings Time |
| 07474 | 973 | Wayne | Passaic | (40.9491, -74.2458) | Observes Daylight Savings Time |
| 07477 | 973 | Wayne | Passaic | (40.9491, -74.2457) | Observes Daylight Savings Time |
| 07999 | 973 | Whippany | Morris | (40.8233, -74.4369) | Observes Daylight Savings Time |