Portland Zip Codes - San Patricio County TX

Portland, TX Zip Code Map

Portland, TX is a city located in San Patricio County, Texas and has a land area of 18.56 square miles (48.07 km2). The water area for the city is 0.21 square miles or 0.54 km2. There is one unique zip code in Portland, Texas and it is 78374. The area code(s) for Portland is 361.

Zip Codes for Portland, TX (1)
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78374 Portland San Patricio

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