ZIP Codes in Olathe, KS
Olathe uses 2 ZIP codes, all in Johnson County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Olathe ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 66061 | standard | Johnson | 67,967 |
| 66062 | standard | Johnson | 78,841 |
Finding a ZIP+4 in Olathe
Knowing which of these 2 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 Olathe street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Olathe addresses and download it complete.