| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 78536 | Delmita | Starr County | Standard |
| 78545 | Falcon Heights | Starr County | PO Box |
| 78547 | Garciasville | Starr County | PO Box |
| 78548 | Grulla | Starr County | PO Box |
| 78564 | Lopeno | Zapata County | Standard |
| 78582 | Rio Grande City | Starr County | Standard |
| 78584 | Roma | Starr County | Standard |
| 78585 | Salineno | Starr County | PO Box |
| 78588 | San Isidro | Starr County | Standard |
| 78591 | Santa Elena | Starr County | Standard |