ZIP Codes in Naperville, IL
Naperville uses 4 ZIP codes, all in DuPage, Will Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Naperville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 60540 | standard | DuPage | 42,252 |
| 60563 | standard | DuPage | 39,330 |
| 60564 | standard | Will | 47,016 |
| 60565 | standard | DuPage | 40,483 |
Finding a ZIP+4 in Naperville
Knowing which of these 4 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 Naperville street almost always have different ZIP+4 codes even though they share all five leading digits.
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