What are the Washington Pk, Illinois Zip Codes for 2020, 2019Primary Zip Codes for Washington PkZip CodePrimary CitySecondary City62204East Saint LouisWashington Pk, E Saint Louis62205East Saint LouisWashington Pk, E St Louis, Washingtn Park, Centreville, E Saint LouisCities sharing Zip Codes with Washington PkZip CodePrimary CitySecondary CityMore Information62204East Saint LouisE Saint Louis62204East Saint LouisWashington Pk62205East Saint LouisE Saint Louis62205East Saint LouisE St Louis62205East Saint LouisWashingtn Park62205East Saint LouisWashington Pk62205East Saint LouisCentreville Centreville population stats Advertisements