San Carlos zip code
Zip code in San Carlos, TX
The location San Carlos belongs to Hidalgo County, state of Texas. San Carlos has been assigned with the zip code 78539.
The location name San Carlos is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Edinburg, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 78539 | STANDARD | 30,500 |
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