What are the Crook, Illinois Zip Codes for 2020, 2019Primary Zip Codes for CrookZip CodePrimary CitySecondary City62859Mc LeansboroCrook, Delafield, Knight Prairie, Piopolis, South Crouch, Thackeray, Mcleansboro, DaleCities sharing Zip Codes with CrookZip CodePrimary CitySecondary CityMore Information62859Mc LeansboroDale62859Mc LeansboroCrook62859Mc LeansboroDelafield62859Mc LeansboroKnight Prairie62859Mc LeansboroPiopolis62859Mc LeansboroSouth Crouch62859Mc LeansboroThackeray62859Mc LeansboroMcleansboro Mcleansboro population stats Advertisements