PORT ALTO Zip Code (TX)

The Zipcode for Port Alto is . Port Alto is in Calhoun, Texas in the South Central region of the USA. It is located about 130 miles south-southeast of TX's capital city of Austin.

• Same zip code Suburbs Clarks, Green Lake, Indianola, Kamey, Long Mott, Magnolia Beach, Olivia, Port Lavaca, Weedhaven

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