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Ohio · Hamilton

45203 ZIP Code

45203 is associated with Cincinnati, Ohio. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code
45203
City
Cincinnati
State
Ohio (OH)
County
Hamilton
Timezone
America/New_York
State sales tax
Varies by state
Open map Ohio hub

Nearby ZIP codes

45202Cincinnati, OH45204Cincinnati, OH45201Cincinnati, OH45205Cincinnati, OH45206Cincinnati, OH45207Cincinnati, OH45208Cincinnati, OH45209Cincinnati, OH

Questions about 45203

What city is ZIP code 45203 in?+
45203 is associated with Cincinnati, Ohio in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
What county is 45203 in?+
Hamilton. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
What timezone is 45203 in?+
America/New_York. This is the IANA timezone name for the city associated with the ZIP.
Is 45203 a real ZIP code?+
It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.
All ZIP codesValidate a full address