| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| ZIP Code 78040 | Laredo | Webb County | Standard |
| ZIP Code 78041 | Laredo | Webb County | Standard |
| ZIP Code 78042 | Laredo | Webb County | PO Box |
| ZIP Code 78043 | Laredo | Webb County | Standard |
| ZIP Code 78044 | Laredo | Webb County | PO Box |
| ZIP Code 78045 | Laredo | Webb County | Standard |
| ZIP Code 78046 | Laredo | Webb County | Standard |
| ZIP Code 78067 | San Ygnacio | Zapata County | Standard |
| ZIP Code 78076 | Zapata | Zapata County | Standard |
| ZIP Code 78344 | Bruni | Webb County | Standard |
| ZIP Code 78361 | Hebbronville | Jim Hogg County | Standard |
| ZIP Code 78369 | Mirando City | Webb County | Standard |
| ZIP Code 78371 | Oilton | Webb County | PO Box |
| ZIP Code 78564 | Lopeno | Zapata County | Standard |