Heidelberg zip code
Zip code in Heidelberg, TX
The location Heidelberg belongs to Hidalgo County, state of Texas. Heidelberg has been assigned with the zip code 78570.
The location name Heidelberg is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Mercedes, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 78570 | STANDARD | 29,040 |
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