PORT ALTO Zip Code (TX)

The Zipcode for Port Alto is 77979. 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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