Port Mansfield Zip Codes - Willacy County TX

Port Mansfield, TX Zip Code Map

Port Mansfield, TX is a city located in Willacy County, Texas and has a land area of 6.34 square miles (16.42 km2). The water area for the city is 65.68 square miles or 170.11 km2. There is one unique zip code in Port Mansfield, Texas and it is 78598. The area code(s) for Port Mansfield is 956.

Zip Codes for Port Mansfield, TX (1)
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78598 Port Mansfield Willacy

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