Warren County ZIP Codes
New Jersey, United States · 19 codes
Warren County in New Jersey has 19 ZIP codes, from 07820 to 08886, serving 19 places.
ZIP codes in Warren
Frequently asked questions
What is the ZIP code of Warren?
Warren has 19 ZIP codes, from 07820 to 08886. The table lists the places each one serves.
How many places are listed in Warren County?
19 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.