ZIP CodesZIP codes in Warren County, New Jersey
Warren County, New Jersey has 19 ZIP codes in this list, from 07820 to 08886. They cover 19 places, among them Allamuchy, Belvidere, Blairstown and Buttzville.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 07820 | Allamuchy | 1.5 | 40.922, -74.810 |
| 07823 | Belvidere | 25.1 | 40.831, -75.050 |
| 07825 | Blairstown | 84.9 | 40.967, -74.965 |
| 07829 | Buttzville | no area | 40.843, -74.986 |
| 07831 | Changewater | 0.1 | 40.739, -74.945 |
| 07832 | Columbia | 42.1 | 40.939, -75.055 |
| 07833 | Delaware | 0.3 | 40.893, -75.065 |
| 07838 | Great Meadows | 25.9 | 40.852, -74.942 |
| 07840 | Hackettstown | 37.3 | 40.853, -74.834 |
| 07844 | Hope | 0.2 | 40.920, -74.985 |
| 07846 | Johnsonburg | 0.1 | 40.965, -74.879 |
| 07863 | Oxford | 19.9 | 40.810, -75.002 |
| 07865 | Port Murray | 16.5 | 40.791, -74.917 |
| 07880 | Vienna | 1.1 | 40.865, -74.897 |
| 07882 | Washington | 31.6 | 40.758, -74.991 |
| 08802 | Asbury | 24.5 | 40.695, -75.028 |
| 08808 | Broadway | no area | 40.732, -75.052 |
| 08865 | Phillipsburg | 41.5 | 40.708, -75.151 |
| 08886 | Stewartsville | 15.5 | 40.694, -75.111 |
The ZIP code areas of Warren County add up to about 368 square miles of land (953 sq km) as the Census Bureau draws them. The largest is 07825 (Blairstown), with 84.9 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Allamuchy, NJ 07820.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.