Avondale zip code
Zip code in Avondale, TX
The location Avondale belongs to Cameron County, state of Texas. Avondale has been assigned with the zip code 78550.
The location name Avondale is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Harlingen, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 78550 | STANDARD | 43,190 |
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