Ontario is the actual or alternate city name associated with 3 ZIP Codes by the US Postal Service.
Select a particular Ontario ZIP Code to view a more detailed map and the number of Business, Residential, and PO Box addresses for that ZIP Code. The Residential addresses are segmented by both Single and Multi-family addessses.
Each individual Ontario ZIP Code profile also includes Demographic Data including Population, Housing, Income, Households, and Growth Rates.Photos of the local Ontario, OH area
|Ontario, OH - Standard ZIP Codes|
|Ontario, OH - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)|
The Ontario ZIP Code maps and basic ZIP Code information such as the number of Business, Residential and PO Box addresses in the ZIP Code are updated 4 times per year. Last update: August 1, 2018.
The DEMOGRAPHIC DATA for each Ontario ZIP Code is updated annually. The last update was on July 1, 2018 and includes: