ZIP Code Data - 2020 Data files are available for download in Comma Separated Values files (.csv file extension) where data items are separated by commas and each new line represents a new row, and Excel files by State (.xls file extension). Documentation ZIP Code Data Users Guide and Record LayoutsDOCX ZIP Code Data CSV Files 2020 (all States, includes AGI) 2020 (all States, does not include AGI) ZIP File Contains the Documentation, the .csv files, and all State files in Excel format Tax Years: 2020ZIP ZIP Code Data by Individual State or Area States or Areas A-K States or Areas L-N States or Areas O-W AlabamaXLSX AlaskaXLSX ArizonaXLSX ArkansasXLSX CaliforniaXLSX ColoradoXLSX ConnecticutXLSX DelawareXLSX District of ColumbiaXLSX FloridaXLSX GeorgiaXLSX HawaiiXLSX IdahoXLSX IllinoisXLSX IndianaXLSX IowaXLSX KansasXLSX KentuckyXLSX LouisianaXLSX MaineXLSX MarylandXLSX MassachusettsXLSX MichiganXLSX MinnesotaXLSX MississippiXLSX MissouriXLSX MontanaXLSX NebraskaXLSX NevadaXLSX New HampshireXLSX New JerseyXLSX New MexicoXLSX New YorkXLSX North CarolinaXLSX North DakotaXLSX OhioXLSX OklahomaXLSX OregonXLSX PennsylvaniaXLSX Rhode IslandXLSX South CarolinaXLSX South DakotaXLSX TennesseeXLSX TexasXLSX UtahXLSX VermontXLSX VirginiaXLSX WashingtonXLSX West VirginiaXLSX WisconsinXLSX WyomingXLSX Return to SOI ZIP Code Data page