City · New Jersey · United States
Lake Hiawatha, NJ — ZIP codes
1 ZIP code · Morris County
- City
- Lake Hiawatha
- County
- Morris
- State
- New Jersey
- Country
- United States
- Postal code
- 07034Single source
- Coordinates
- 40.8825, -74.3830 View on OpenStreetMap
- Area codes
- 973, 862 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 07034 | Lake Hiawatha | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.