City · Texas · United States
Sebastian, TX — ZIP codes
1 ZIP code · Willacy County
- City
- Sebastian
- County
- Willacy
- State
- Texas
- Country
- United States
- Postal code
- 78594Single source
- Coordinates
- 26.3440, -97.8123 View on OpenStreetMap
- Area code
- 956 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 78594 | Sebastian | 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.