Port Alto zip code
Zip code in Port Alto, TX
The location Port Alto belongs to Calhoun County, state of Texas. Port Alto has been assigned with the zip code 77979.
The location name Port Alto is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Port Lavaca, the official name of the location. You can also use any of the following names: Long Mott.
| Zip code | Type | Population |
|---|---|---|
| 77979 | STANDARD | 15,270 |
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