ZIP Code 78598
Port Mansfield · Willacy, Texas
78598 is the ZIP code of Port Mansfield in Willacy, Texas, United States.
- ZIP Code
- 78598
- County
- Willacy
- State
- Texas
- Country
- United States
Place with ZIP code 78598
| Place | County | Location |
|---|---|---|
| Port Mansfield | Willacy | 26.555, -97.425 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 78598?
Port Mansfield.
Which county and state is 78598 in?
Willacy, Texas, United States.
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.