US location post office
ZIP Code 78558
- Zip Code: 78558
- Type: POBox
- Official USPS city name: La Blanca
- Official USPS State Code: TX
- Official State Name: Texas
- ZCTA: TRUE
- Population: 1021.0
- Density: 290.5
- Primary Official County Code: 48215
- Primary Official County Name: Hidalgo
- Official County Name: Hidalgo
- Official County Code: 48215
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (09:04 AM Sunday, July 27 2025-07-27 (GMT -0500))
- Geo Point: 26.29962, -98.03525
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