What are the West Mifflin Century Mall, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for West Mifflin Century MallZip CodePrimary CitySecondary City15123West MifflinWest Mifflin Century Mall, W Mifflin/pleasant Hills, PittsburghCities sharing Zip Codes with West Mifflin Century MallZip CodePrimary CitySecondary CityMore Information15123West MifflinW Mifflin Pleasant Hills15123West MifflinWest Mifflin Century Mall15123West MifflinPittsburgh Pittsburgh population stats Advertisements