Cincinnati, Ohio ZIP Codes
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Looking for the zip code of Cincinnati, Ohio USA? You are in the right place. Cincinnati uses 71 ZIP codes, ranging from 45201 to 45999, and this page lists every single one of them. Whether you need the Cincinnati zip code for a package, a form, or a move, the complete, up-to-date list is right below.
There is no single zip code for Cincinnati — each neighborhood and delivery area has its own. Cincinnati is located primarily in Hamilton County, Ohio, and its ZIP codes cover downtown, residential neighborhoods, business districts, and post office boxes across the city. Find your exact code by address using the free tools on this page.
Complete List of Cincinnati ZIP Codes
All 71 cincinnati zip codes, sorted from lowest to highest (45201 to 45999):
About Cincinnati ZIP Codes
The Cincinnati, Ohio zip code system covers 71 unique ZIP codes spanning 45201 to 45999. The Postal Service assigns each code to a specific delivery area, so two streets only a few blocks apart can carry different ZIP codes.
Most of Cincinnati sits in Hamilton County, though parts of the city reach into Brown, Clermont. That is one reason ZIP codes here do not stop at the city limit — a Cincinnati mailing address can sit in a neighboring county and still carry a Cincinnati ZIP code.
Mailing to Cincinnati? Using the correct ZIP code — and the ZIP+4 add-on where it matters — keeps letters and packages moving without delays or returns. Before you send, you can confirm any Cincinnati address with our free Address Verification tool, and find the full 9-digit code with the ZIP+4 Lookup.
How to Find Your Cincinnati ZIP Code
Enter a Cincinnati street address to get its exact 5-digit ZIP code instantly.
Look up Cincinnati, Ohio to see the full list of ZIP codes used across the city.
Explore ZIP codes for every covered city in Ohio on the state page.
Frequently Asked Questions
How many ZIP codes does Cincinnati have?
Cincinnati has 71 ZIP codes, ranging from 45201 to 45999. The complete list is on this page.
What is the ZIP code of Cincinnati, Ohio?
There is no single ZIP code for Cincinnati — the city uses 71 ZIP codes (45201 to 45999). Enter your street address in our ZIP Code by Address tool to find your exact one.
What county is Cincinnati, Ohio in?
Cincinnati is primarily in Hamilton County, Ohio, and also extends into Brown, Clermont.
What is the ZIP code range for Cincinnati?
ZIP codes in Cincinnati start at 45201 and go up to 45999. Codes are assigned by delivery area, so the lowest codes generally sit closest to the city center and rise as you move outward.
Why does Cincinnati have 71 different ZIP codes?
The Postal Service creates a new ZIP code whenever a delivery area grows too large for one code to handle efficiently. A city the size of Cincinnati has many delivery routes — neighborhoods, business districts, and high-volume mailers each need their own code so mail can be sorted and delivered accurately.
How do I find my ZIP+4 code in Cincinnati?
Use our free ZIP+4 Lookup tool — enter your Cincinnati street address to get the full 9-digit code.
More Cities in Ohio
ZIP codes for other cities in Ohio:
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