ZIP code · San Diego · Texas · United States
ZIP code 78384 — San Diego
ZIP code 78384 serves San Diego, Texas.
- Postal code
- 78384Single source Value from one source, not cross-checked.
- City
- San Diego
- County
- Duval
- State
- Texas
- Country
- United States
- Coordinates
- 27.7654, -98.2503 — precision precise (locality)
View on OpenStreetMap
About this page
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. Data generated on 2026-08-21. Methodology · Report an error on this page