ZIP Codes in Hamilton, OH
Hamilton uses 3 ZIP codes, all in Butler County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Hamilton ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 45011 | standard | Butler | 75,864 |
| 45013 | standard | Butler | 53,998 |
| 45015 | standard | Butler | 11,038 |
Finding a ZIP+4 in Hamilton
Knowing which of these 3 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Hamilton street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
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