What are the Port Lavaca, Texas Zip Codes for 2020, 2019Primary Zip Codes for Port LavacaZip CodePrimary CitySecondary City77979Port LavacaPort Lavaca, Clarks, Green Lake, Indianola, Kamey, Magnolia Beach, Olivia, Port Alto, Weedhaven, Long MottCities sharing Zip Codes with Port LavacaZip CodePrimary CitySecondary CityMore Information77979Port LavacaLong Mott77979Port LavacaClarks77979Port LavacaGreen Lake77979Port LavacaIndianola77979Port LavacaKamey77979Port LavacaMagnolia Beach77979Port LavacaOlivia77979Port LavacaPort Alto77979Port LavacaWeedhavenAdvertisements