What are the Ocoya, Illinois Zip Codes for 2020, 2019Primary Zip Codes for OcoyaZip CodePrimary CitySecondary City61764PontiacOcoya, Cayuga, Eppards Point, Mcdowell, Owego, Rooks Creek, Rowe, Rugby, Swygert, Vermillion EstatesCities sharing Zip Codes with OcoyaZip CodePrimary CitySecondary CityMore Information61764PontiacCayuga61764PontiacEppards Point61764PontiacMcdowell61764PontiacOcoya61764PontiacOwego61764PontiacRooks Creek61764PontiacRowe61764PontiacRugby61764PontiacSwygert61764PontiacVermillion EstatesAdvertisements