ZIP Code 77643
Port Arthur · Jefferson, Texas
77643 is the ZIP code of Port Arthur in Jefferson, Texas, United States.
- ZIP Code
- 77643
- County
- Jefferson
- State
- Texas
- Country
- United States
Place with ZIP code 77643
| Place | County | Location |
|---|---|---|
| Port Arthur | Jefferson | 29.962, -93.868 |
Near Houston
The nearest major city is Houston, about 146 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 77643?
Port Arthur.
Which county and state is 77643 in?
Jefferson, Texas, United States.
What is the nearest major city to 77643?
Houston, about 146 km away.
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.