Warren County, New Jersey ZIP codes
18ZIP codes
18Cities and towns
116,142People in ZIP areas
272, 484, 570Area codes
Warren County is in New Jersey and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Warren County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 07820 | Allamuchy | PO Box only | – | – |
| 07823 | Belvidere | Standard | 7,451 | $85,522 |
| 07825 | Blairstown | Standard | 9,210 | $123,785 |
| 07829 | Buttzville | PO Box only | – | – |
| 07831 | Changewater | Standard | 36 | – |
| 07832 | Columbia | Standard | 3,593 | $106,424 |
| 07833 | Delaware | PO Box only | 70 | – |
| 07838 | Great Meadows | Standard | 3,727 | $121,599 |
| 07840 | Hackettstown | Standard | 32,105 | $105,866 |
| 07844 | Hope | PO Box only | 111 | $80,221 |
| 07846 | Johnsonburg | PO Box only | 45 | $99,792 |
| 07863 | Oxford | Standard | 3,819 | $94,167 |
| 07865 | Port Murray | Standard | 2,825 | $108,056 |
| 07880 | Vienna | PO Box only | 173 | – |
| 07882 | Washington | Standard | 15,115 | $107,567 |
| 08808 | Broadway | PO Box only | – | – |
| 08865 | Phillipsburg | Standard | 31,427 | $79,949 |
| 08886 | Stewartsville | Standard | 6,435 | $161,168 |
Cities and towns in Warren County
- Allamuchy 1 ZIP
- Belvidere 1 ZIP
- Blairstown 1 ZIP
- Broadway 1 ZIP
- Buttzville 1 ZIP
- Changewater 1 ZIP
- Columbia 1 ZIP
- Delaware 1 ZIP
- Great Meadows 1 ZIP
- Hackettstown 1 ZIP
- Hope 1 ZIP
- Johnsonburg 1 ZIP
- Oxford 1 ZIP
- Phillipsburg 1 ZIP
- Port Murray 1 ZIP
- Stewartsville 1 ZIP
- Vienna 1 ZIP
- Washington 1 ZIP
Area codes in Warren County
Questions
- How many ZIP codes are in Warren County, NJ?
- Warren County has 18 ZIP codes, 11 of them standard ZIP codes for street addresses.
- What cities are in Warren County?
- Warren County ZIP codes cover Allamuchy, Belvidere, Blairstown, Broadway, Buttzville, Changewater, Columbia and Delaware and 10 other places.
- What area code is Warren County, NJ?
- Warren County uses area codes 272, 484, 570, 610, 835, 862, 908 and 973.
- What time zone is Warren County in?
- Warren County is in Eastern Time.