What are the Jefferson Square, Arkansas Zip Codes for 2020, 2019Primary Zip Codes for Jefferson SquareZip CodePrimary CitySecondary City71601Pine BluffJefferson Square, Arsenal, Hardin,Cities sharing Zip Codes with Jefferson SquareZip CodePrimary CitySecondary CityMore Information71601Pine BluffArsenal71601Pine BluffHardin71601Pine BluffJefferson SquareAdvertisements