ZIP Code 78578

Zip Code: 78578
Type: Standard
Official USPS city name: Port Isabel
Official USPS State Code: TX
Official State Name: Texas
ZCTA: TRUE
Population: 11772.0
Density: 75.9
Primary Official County Code: 48061
Primary Official County Name: Cameron
Official County Name: Cameron
Official County Code: 48061
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (08:47 AM Wednesday, June 17 2026-06-17 (GMT -0500))
Geo Point: 26.05308, -97.31838

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