San Diego, TX ZIP Codes, Coordinates & Counties
San Diego, Texas has 1 ZIP code in Duval county. The approximate center of San Diego is 27.853, -98.37. San Diego has about 24,903 known street addresses.
ZIP codes in San Diego, TX
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 78384 | Duval | 27.853 | -98.37 |
Counties San Diego spans
Duval
Most common streets in San Diego
King, Victoria, North, Ventura, Dunlap, Gravis, Saint Charles, Collins, Saint Joseph, Travis
Frequently asked questions
What ZIP codes are in San Diego, TX?
San Diego, Texas has 1 ZIP code, ranging from 78384 to 78384. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is San Diego, TX in?
San Diego is in Duval county.
What are the latitude and longitude of San Diego, TX?
The approximate center of San Diego, Texas is latitude 27.853, longitude -98.37. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does San Diego, TX have?
San Diego has 1 ZIP code.
How many addresses are in San Diego, TX?
San Diego, Texas has about 24,903 known street addresses in the sthan.io US address database.
What are the most common streets in San Diego, TX?
Some of the most common street names in San Diego are King, Victoria, North, Ventura, Dunlap, Gravis.
What cities are near San Diego, TX?
Cities near San Diego include Freer (15 mi), Alice (17 mi), Benavides (17 mi), Orange Grove (21 mi), Ben Bolt (22 mi).
Cities near San Diego
Freer, TX (15 mi) Alice, TX (17 mi) Benavides, TX (17 mi) Orange Grove, TX (21 mi) Ben Bolt, TX (22 mi) Agua Dulce, TX (29 mi) Sandia, TX (30 mi) Realitos, TX (31 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database