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All United States ZIP Codes
ZIP, County, Place name or State
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00xxx - 99xxx
002xx - 999xx
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US ZIP Codes by County on
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To see a list of all ZIP codes by County on the selected letter, select the desired County from the list or write the desired County in the appropriate field and click Search.
County
Indiana
Isle of Wight
Iredell
Irwin
Indian River
Issaquena
Itawamba
Iosco
Isabella
Ingham
Ionia
Iron
Ida
Iowa
Isanti
Itasca
Iroquois
Iberia
Iberville
Independence
Izard
Irion
Idaho
Imperial
Inyo
Island
Isabela