San Antonio zipcode
| City | San Antonio |
| ZIP Code | 78243 |
| Type | Standard |
| State Code | TX |
| State | Texas |
ZIP code of San Antonio is 78243. This place is located in Texas state in US. To send any postal service to San Antonio, you must use 78243 zipcode.
You should avoid following 1 city name of Texas to be used with the ZIP code 78243.
- Electronic Security Services, TX